| Free On-line Dictionary of Computing | Acknowledgements | Missing definition |
| ! | !!!Batch | " |
| # | $ | $1 |
| $tonePits | % | & |
| $ | ' | 'Snooze |
| ( | (()) | () |
| (c) | (TM) | ) |
| * | *brainfuck | *LISP |
| *MOD | *w | + |
| ++ | , | - |
| -- | --C-=C-C-- | -oid |
| -ware | .) | .box |
| .com | .cshrc | .env |
| .Gertrude | .git/config | .login |
| .mailrc | .mOdMoDwOrM | .NET |
| .NET framework | .newsrc | .plan |
| .twmrc | .yacuabll | / |
| /actuator/health | /client/get_targets | /dev/null |
| 0 | 0/1 knapsack problem | 1 |
| 100BaseFX | 100BaseT | 100BaseTX |
| 100BaseVG | 100VG-AnyLAN | 10base2 |
| 10base5 | 10baseT | 120 reset |
| 1-2-3 | 1394 | 1541 |
| 1581 | 16000 | 16450 |
| 16550 | 16550A | 16650 |
| 16750C | 16 bit | 16-bit application |
| 16C550 | 16C750 | 16C850 |
| 1802 | 192.168.1.1 | 1NF |
| 1TBS | 1.TR.6 | 2 |
| 20-GATE | 2780 | 2B1D |
| 2B1Q | 2B+D | 2NF |
| 2.PAK | 32000 | 3270 |
| 32-bit application | 3780 | 386 |
| 386BSD | 386SPART.PAR | 386SX |
| 3Com Corporation | 3DNow! | 3DNow! Professional |
| 3DO | 3GL | 3NF |
| 3Station | 3-tier | 404 |
| 4.2BSD | 431A | 4.3BSD |
| 4510 | 473L Query | 486 |
| 486DX | 486SX | 4GL |
| 4NF | 4xx | 51forth |
| 56 kbps | 56k line | 586 |
| 5ESS | 5NF | 5th Glove |
| 6.001 | 610 | 6309 |
| 64-bit | 6501 | 6502 |
| 650x | 6510 | 6526 |
| 65816 | 6800 | 68000 |
| 68020 | 68030 | 68040 |
| 68050 | 68060 | 6809 |
| 680x0 | 686 | 68HC11 |
| 68LC040 | 6to4 | 6x86 |
| 754 | 80186 | 80188 |
| 80/20 rule | 802.1 | 802.11a |
| 802.11b | 802.11g | 802.2 |
| 802.3 | 80286 | 8031 |
| 80386 | 8048 | 80486 |
| 8051 | 8052 | 8080 |
| 8086 | 8088 | 80x86 |
| 822 | 82430FX | 82430HX |
| 82430MX | 82430VX | 8250 |
| 8.3 | 8450 | 8514 |
| 8514-A | 88000 | 88open |
| 8-bit clean | 8N1 | 8 queens problem |
| 8 queens puzzle | 8x86 | 90-90 Rule |
| 9PAC | :-) | ; |
| < | <g> | <gr&d> |
| = | > | ? |
| ?? | @ | @-party |
| @Begin | @stake | @XX |
| [incr Tcl] | \ | \begin |
| \big | \BV | \perp |
| \sqcap | \sqcup | \sqsubseteq |
| \subseteq | \t | \uparrow |
| \{@} | ^ | A# |
| A-0 | a1 | A1 security |
| A20 handler | A-3 | A3D |
| A4C | a56 | AAB8 |
| AAC | AADL | AAL |
| AAP | AAP DTD | aard |
| AARP | AARP probe packets | AAUI |
| A&B | abbrev | Abbreviated Test Language for Avionics Systems |
| ABC | ABC ALGOL | ABCL/1 |
| ABCL/c+ | ABCL/R | ABCL/R2 |
| abduction | ABEND | AberMUD |
| ABI | ABLE | ABM |
| ABNF | abort | ABP |
| ABR | abscissa | ABSET |
| absolute path | absolute pathname | abstract |
| abstract class | abstract data type | abstract interpretation |
| abstraction | abstract machine | Abstract Machine Notation |
| abstract syntax | Abstract Syntax Notation 1 | abstract syntax tree |
| Abstract-Type and Scheme-Definition Language | Abstract Windowing Toolkit | Abstract Window Toolkit |
| ABSYS | AC2 | AC3 |
| ACA | ACAP | Accelerated Graphics Port |
| accelerator | Accent | accept |
| Acceptable Use Policy | acceptance testing | Acceptance, Test Or Launch Language |
| acceptor | Access | Access Control List |
| access method | access permission | access point |
| access time | ACCLAIM | Accounting File |
| accounting management | Account Representative | ACCU |
| accumulator | accuracy | ACE |
| ACF | ACF/NCP | ACIA |
| ACID | ACIS | ACK |
| ACL | ACM | ACME |
| ACOM | acorn | Acorn Archimedes |
| Acorn Computer Group | Acorn Computers Ltd. | Acorn Online Media |
| Acorn RISC Machine | A Coroutine Language | ACOS |
| acoustic coupler | ACP | ACPI |
| Acrobat | acronym | ACSE |
| ACT | ACT++ | Act1 |
| ACT 1 | Act2 | Act3 |
| Actalk | Actis | activation record |
| active DBMS | Active Directory | Active Language I |
| active matrix display | Active Measurement Project | Active Monitor |
| active object | Active Reconfiguring Message | active record pattern |
| Active Server Pages | ActiveX | ActiveX Data Objects |
| ACT ONE | Actor | actor |
| Actors | actor/singer/waiter/webmaster | Actra |
| actual argument | actuator/health | Actus |
| AD | ad | Ada |
| Ada++ | Ada 83 | Ada 95 |
| Ada 9X | ADABAS | Ada Core Technologies |
| Ada/Ed | Adaline | Ada Lovelace |
| ADAM | Adam7 | Adamakegen |
| ADAMO | Adam Osborne | Ada-O |
| Adaplan | Adaplex | Ada Programming Support Environment |
| ADAPT | Adaptable User Interface | Adaptec |
| adaptive answering | Adaptive Communication Environment | Adaptive Digital Pulse Code Modulation |
| adaptive learning | adaptive routing | Adaptive Server Enterprise |
| Adaptive Simulated Annealing | Adaptive TRansform Acoustic Coding | Adaptor |
| Ada Semantic Interface Specification | Ada Software Repository | A Data Management System |
| ADC | ADCCP | A/D converter |
| ADCU | AD/Cycle | ADD 1 TO COBOL GIVING COBOL |
| ADDD | additive | address |
| address book | address bus | addressed call mode |
| addressee | addressing mode | address mask |
| address resolution | Address Resolution Protocol | address space |
| Address Strobe | ADELE | ADES |
| ad-hockery | ad-hoc polymorphism | Aditi |
| adjacency | adjacent | ADL |
| AdLog | ADM | ADMD |
| admin | Administration Management Domain | administrative distance |
| Administrative Domain | admissible | ADO |
| Adobe Systems, Inc. | Adobe Type Manager | ADPCM |
| ADR | ADS | ADSL |
| ADSP | ADSU | ADT |
| Advanced Audio Coding | Advanced Communication Function/Network Control Program | Advanced Communications Function |
| Advanced Computing Environment | Advanced Configuration and Power Interface | Advanced Data Communications Control Protocol |
| Advanced Encryption Standard | Advanced Function Presentation | Advanced Function Printing |
| Advanced Intelligent Tape | Advanced Interactive eXecutive | Advanced Micro Devices, Inc. |
| Advanced Network Systems Architecture | Advanced Peer-to-Peer Networking | Advanced Power Management |
| Advanced Programmable Interrupt Controller | Advanced Program-to-Program Communications | Advanced Research Projects Agency |
| Advanced Research Projects Agency Network | Advanced Revelation | Advanced RISC Computing Specification |
| Advanced RISC Machine | Advanced RISC Machines Ltd. | Advanced SCSI Peripheral Interface |
| Advanced Software Environment | Advanced STatistical Analysis Program | Advanced Technology Attachment |
| Advanced Technology Attachment Interface with Extensions | Advanced Video Coding | Advanced WavEffect |
| Advantage Gen | ADVENT | Adventure Definition Language |
| ADVSYS | adware | AE |
| ae | AED | AEGIS |
| Aegis | Aeolus | AEP |
| aeroplane rule | AES | AESOP |
| af | AFAC | AFAIK |
| affine transformation | affordance | AFIPS |
| AFJ | AFK | aflex |
| AFNOR | AFP | AFS |
| AFUU | ag | agent |
| aggregate type | aggregation | aggregator |
| AGL | AGM Theory for Belief Revision | Agner Krarup Erlang |
| AGORA | AGP | AGP graphics |
| A Hardware Programming Language | AHDL | AHPL |
| AI | ai | AIA |
| AI-complete | AID | AIDA |
| AIDS | AIDX | AIFF |
| AI International | Aiken code | AI koan |
| AIMACO | Aimnet | Aion Development System |
| AIR | AIr MAterial COmmand compiler | airplane rule |
| AIT | AIX | Ajax |
| AKC | AKCL | A. K. Erlang |
| AKL | AL | al |
| Aladdin Enterprises | Aladdin Systems, Inc. | ALADIN |
| ALAM | Alan F. Shugart | A-language |
| A Language Encouraging Program Hierarchy | A Language for Attributed Definitions | A Language with an Extensible Compiler |
| Alan Kay | Alan M. Turing | Alan Shugart |
| Alan Turing | ALARP | A-law |
| ALC | Alcool-90 | ALCOR |
| Aldat | ALDES | ALDiSP |
| ALEC | ALEF | ALEPH |
| Aleph | aleph 0 | alert |
| Alex | Alexis | ALF |
| Alfl | algebra | ALGEBRAIC |
| algebraic | Algebraic Compiler and Translator | algebraic data type |
| Algebraic Interpretive Dialogue | Algebraic Logic Functional language | Algebraic Manipulation Package |
| Algebraic Specification Language | algebraic structure | Algebra of Communicating Processes |
| ALGOL | ALGOL 58 | ALGOL 60 |
| ALGOL 60 Modified | ALGOL 60 Revised | ALGOL 68 |
| ALGOL 68C | ALGOL 68-R | ALGOL 68 Revised |
| ALGOL 68RS | ALGOL 68S | ALGOL C |
| ALGOL D | ALGOL N | ALGOL W |
| ALGOL X | ALGOL Y | algorithim |
| algorithm | ALgorithm DEScription | algorithmic art |
| ALgorIthmic ASsembly language | Algorithmic Language | Algorithmic Model |
| Algorithmic Processor Description Language | Algorithmic Test Case Generation | ALGY |
| ALIAS | alias | aliasing |
| aliasing bug | Alice | alife |
| A-Life | ALJABR | al-Khwarizmi |
| Allegro | all-elbows | ALLIANCE |
| Allman style | allow-none | ALLOY |
| ALM | Aloha | Aloha Net |
| Alonzo Church | ALP | ALPAK |
| ALPHA | Alpha | Alpha AXP 21164 |
| alpha/beta pruning | alphabetic language | alpha conversion |
| Alpha EV6 | Alpha Geek | alphanumeric |
| alpha particle | Alphard | alpha testing |
| ALPS | alt | ALTAC |
| Altair 8800 | Alta Vista | alt bit |
| ALTER | Alternating bit protocol | alternative text |
| altmode | ALTRAN | alt.sources |
| alt text | ALU | Aluminum Book |
| Alvey | AM | am |
| Amanda | A Manufacturing Language | amateur packet radio |
| Amber | AMBIT | AMBIT/G |
| AMBIT/L | AMBIT/S | AMBUSH |
| AMD | AMD 29000 | AMD 29027 |
| Amdahl | Amdahl Corporation | Amdahl's Law |
| AMD Am2901 | AMD Am2903 | AMD Am2910 |
| AMD K7 | American National Standard | American National Standards Institute |
| American Society of Mechanical Engineers | American Standard Code for Information Interchange | American Telephone and Telegraph, Inc. |
| American Wire Gauge | America On-Line, Inc. | America's Multimedia Online |
| AMI | Amiga | Amiga E |
| Aminet | AML | AML/E |
| AMO | Amoeba | AMP |
| amper | Ampere | ampersand |
| AMPL | AMPLE | Amplitude Modulation |
| amp off | AMPPL-II | AMPS |
| AMS | AMTRAN | Amulet |
| an | analog | analog computer |
| Analog Hardware Design Language | analogue | analogue computer |
| Analogy Model | analytical CRM | Analytical Engine |
| Analytical Machine | Analytical Solutions Forum | anchor |
| ANCP | AND | ANDF |
| Andorra-I | Andorra Kernel Language | Andorra-Prolog |
| Andrei Markov | Andrew File System | Andrew Fluegelman |
| Andrew Message System | Andrew Project | Andrew S. Tanenbaum |
| Andrew Tanenbaum | Andrew Toolkit | Andy Tanenbaum |
| An Evolutionary System for On-line Programming | Angel | angle bracket |
| Anglo-Saxon point | angry fruit salad | ANI |
| Animated GIF | animation | Animus |
| ANL | Anna | annealing |
| annotate | ANNotated Ada | annotation |
| annoybot | annoyware | Annual Change Traffic |
| annulled branch | anonymous FTP | ANother Tool for Language Recognition |
| ANR | ANS | ANSA |
| ANSI | ANSI C | ANSI Minimal BASIC |
| ANSI/SPARC | ANSI/SPARC Architecture | ANSI/SPARC model |
| ANSI X12 | ANSI Z39.50 | antenna gain |
| Anthony Hoare | anti-aliasing | antichain |
| antisymmetric | antivirus | antivirus program |
| antivirus software | ANTLR | ANU |
| ANU ML | any key | anytime algorithm |
| ao | AOCE | AOL |
| AOP | AOS | APA |
| Apache | Apache Software Foundation | APAL |
| APAREL | A PArse REquest Language | APC |
| APDL | APE | apE |
| API | APIC | APL |
| APL2 | APLGOL | APLWEB |
| APM | Apollo Computer | apostrophe |
| app | APPC | AppKit |
| APPLE | Apple | Apple Address Resolution Protocol |
| Apple Attachment Unit Interface | Apple Computer, Inc. | Apple II |
| Apple Macintosh | Apple Newton | Apple Open Collaboration Environment |
| AppleScript | Applesoft BASIC | applet |
| Appletalk | AppleTalk Data Stream Protocol | AppleTalk Filing Protocol |
| apple-touch-icon | apple-touch-icon-152x152.png | apple-touch-icon-152x152-precomposed.png |
| apple-touch-icon-precomposed | appletviewer | application |
| Application Binary Interface | Application Configuration Access Protocol | Application Control Architecture |
| Application Developer | application development | application enablement services |
| Application environment specification | Application Executive | Application Integration Architecture |
| application layer | application lifecycle management | Application Portability Architecture |
| application program | Application Program Interface | Application Programming Interface |
| Application Protocol Data Unit | Applications Development Manager | application server |
| Application Service Element | application service provider | applications language |
| application software | Application Software Installation Server | Application-Specific Integrated Circuit |
| Applications Programming Interface | applications software | application testing |
| Application Visualisation System | applicative language | Applicative Language for Digital Signal Processing |
| applicative order reduction | APPLOG | APPN |
| approximation algorithm | April Fool's Joke | A Programming Language |
| APSE | APT | APX III |
| aq | AQL | ar |
| arbitrary precision calculator | ARC | arc |
| Arcade | ArchBSD | archie |
| Archimedes | architecture | Architecture Neutral Distribution Format |
| archive | archive site | ARCnet |
| ARCS | Arctic | arena |
| ARES | AREV | AREXX |
| arg | argument | Argus |
| Ariel | ARI Service | ARITH-MATIC |
| Arithmetic and Logic Unit | arithmetic mean | arity |
| arj | Arjuna | ARL |
| ARM | ARM610 | ARM7 |
| ARM710 | ARM7500 | ARM8 |
| ARM800 | ARM Ltd | ARMM |
| armour-plated | ARP | ARPA |
| ARPANET | ARQ | array |
| array processor | Array Processor Assembly Language | Array Theory |
| arrow key | ART | art |
| Artemis microkernel | Artifex | artificial intelligence |
| Artificial Intelligence Lab | Artificial Life | artificial neural network |
| Artisoft, Inc. | Artistic license | ARTSPEAK |
| AS | as | as31 |
| AS/400 | ASA | asap |
| asbestos | asbestos cork award | asbestos longjohns |
| ascender | ASCI | ASCII |
| ASCII art | ASCIIbetical order | ASCIIbonics |
| ASCII character table | ASCII graphics | ASDIMPL |
| ASDL | ASDO IMPlementation Language | ASE |
| A* search | ASF | ash |
| Ashmedai | Ashton-Tate Corporation | ASIC |
| Asiliant Technologies | A Simulation Process-Oriented Language | ASIS |
| ASK | ASL | ASL+ |
| As Low As Reasonably Practicable | ASM | ASME |
| ASN | ASN.1 | ASP |
| ASPECT | ASpecT | aspect |
| aspect-oriented programming | aspect ratio | ASPEN |
| ASPI | ASPIK | Aspirin |
| ASPLE | ASPOL | ASQC |
| ASR | assembler | ASSEMBLY |
| assembly code | Assembly Language | assembly language |
| Assembly Language Compiler | Assembly Language for Multics | as sensible as a dictionary |
| assertion | ASSET | asset management |
| Asset Source for Software Engineering Technology | assigned numbers | assignment |
| assignment problem | Association Control Service Element | Association for Computational Linguistics |
| Association for Computing | Association for Computing Machinery | Association for Progressive Communications |
| Association for SIMULA Users | Association Française des Utilisateurs d'Unix | Association of American Publishers |
| Association of C and C++ Users | Association of Lisp Users | associative array |
| associative memory | Associative Memory Parallel Processing Language | associativity |
| AST | ASTAP | AST Computers, LLC |
| asterisk | asterix | Astra Digital Radio |
| Astral | AST Research, Inc. | asymmetrical modulation |
| Asymmetric Digital Subscriber Line | Asymmetric Digital Subscriber Loop | asynchronous |
| Asynchronous Balanced Mode | Asynchronous Communications Interface Adapter | asynchronous logic |
| Asynchronous Transfer Mode | asyncronous | AT |
| at | AT-3 | ATA |
| ATA-2 | ATA-4 | Atanasoff-Berry Computer |
| Atanasoff, John Vincent | ATAPI | ATA point |
| Atari | Atari ST | AT Attachment |
| AT Attachment Packet Interface | AT bus architecture | AtFS |
| Athena | Atherton Technology | Athlon |
| ATIS | ATK | ATLAS |
| Atlas Autocode | ATM | ATM Forum |
| ATMP | atob | ATOLL |
| atomic | A Tools Integration Standard | ATRAC |
| ATS | at sign | AT&T |
| Attachment Unit Interface | attacks as a service | AT&T Bell Labs |
| attenuation | atto- | attoparsec |
| attribute | Attributed File System | Attribute Translation System |
| ATX | au | aubergine |
| audio | audiographics | audiographic teleconferencing |
| Audio IFF | AudioOne | Audio Processing Technology |
| Audio Video Interleave | Augmented Backus-Naur Form | AUI |
| A'UM | AUP | Aurora |
| Austin Kyoto Common Lisp | authentication | authoring |
| autobaud | autobogotiphobia | AutoCAD |
| Autocode | AUTOCODER | autoconf |
| autoconfiscate | Autodesk, Inc. | AUTOEXEC.BAT |
| AUTOGRAF | AUTOGRP | Auto Idle |
| Autolisp | autoloader | automagically |
| automata | automata theory | Automated Engineering Design |
| AUTOmated GRouPing system | Automated Retroactive Minimal Moderation | automated testing |
| AUTOMATH | Automatically Programmed Tools | automatic baud rate detection |
| automatic hyphenation | Automatic Mathematical TRANslation | Automatic Network Routing |
| Automatic Number Identification | Automatic Repeat Request | Automatic Send Receive |
| Automatic Sequence Controlled Calculator | automation | Automatische Rechenplanfertigung |
| automaton | Automatrix, Inc. | Autonomous System |
| Autonomous System Number | Autopass | autopilot code |
| autoprojector | AUTO-PROMPT | Autostat |
| autostereogram | A/UX | auxiliary storage |
| av | availability | Avalon/C++ |
| Avalon/Common LISP | avatar | AVC |
| average seek time | AverStar | AVI |
| Avon | AVS | aw |
| AWE | AWG | awk |
| AWT | aXe | AXIOM |
| axiom | AXIOM* | Axiomatic Architecture Description Language |
| axiomatic semantics | axiomatic set theory | Axiom of Choice |
| Axiom of Comprehension | axiom schema | AXLE |
| ayacc | AYT | az |
| AZERTY | B | b |
| B-0 | B1FF | B1 security |
| B2B | B2 security | B3 security |
| b4 | ba | Baan |
| Babbage | Babbage, Charles | babbling error |
| BABEL | BABT | Baby AT |
| BABYLON | BACAIC | Bachman Diagram |
| Bachman Information Systems | backbone | backbone cabal |
| backbone network | backbone site | back door |
| back-end | Back End Generator | Back End Generator Language |
| background | backing store | back link |
| backoff | BackOffice | backplane |
| backport | back-propagation | back quote |
| backronym | backside cache | backslash |
| backspace | backtick | backtracking |
| backup | Backup Domain Controller | backup pumpkin |
| backup rotation | backup software | Backus-Naur Form |
| Backus Normal Form | backward analysis | backward chaining |
| backward combatability | backward compatibility | backward compatible |
| backwards compatibility | backwards compatible | BAD |
| Bad command or file name | Bad Thing | bag on the side |
| baklava code | BAL | balanced computing |
| balanced tree | BALGOL | BALITAC |
| BALM | balun | Banach algebra |
| Banach inverse mapping theorem | Banach space | Banach-Tarski paradox |
| banana label | banana phenomenon | banana problem |
| bandwidth | bang | bang on |
| bang path | banner | Banyan |
| BAP | BAPI | bar |
| Barbara Liskov | bar code | bare metal |
| barfmail | barnacle code | Baroque |
| baroque | barrel shifter | barycentric |
| base | base 64 | baseband |
| base class | baseline | base memory |
| basename | Base Technology | bash |
| BASIC | Basic Assembly Language | BASIC AUTOCODER |
| Basic COBOL | Basic Encoding Rules | Basic Fortran |
| Basic Input/Output System | Basic JOVIAL | Basic Language for Implementation of System Software |
| Basic Multilingual Plane | Basic Object Adapter | Basic Object System |
| Basic Operating System | Basic Programming Support | Basic Rate Interface |
| Basic Service Set | BASIC V | Bastard Operator From Hell |
| bastion host | batch | batch file |
| batch processing | bathtub curve | baud |
| baud barf | Baudot | Baudotbetical order |
| Baudot code | baud rate | bawk |
| bay | baz | bb |
| BBC | BBC Micro | BBC Microcomputer |
| BBC Networking Club | BBL | BBN Butterfly |
| BBN Technologies | bboard | BBS |
| BC | BCBF | BCC |
| BCD | BCL | BC NELIAC |
| BCNU | BCPL | BCS |
| bd | BDC | BDL |
| BDPA | be | BEA |
| beam | beamer | beam search |
| bean | beanie key | bearer channel |
| bear paw | Beats the shit outa me | Bebo |
| BeBOP | BeBox | BEDO |
| Bedrock | beep | beeper |
| BEG | BEGL | beige toaster |
| Be Inc | BEL | belief revision |
| BELL | Bell | bell |
| Bell 103 | Bell Communications Research, Inc | Bellcore |
| bell curve | Bell Laboratories | Bell Labs |
| bells and whistles | bells, whistles, and gongs | benchmark |
| Bend Over, Here It Comes Again | Benoit B. Mandelbrot | Benoit Mandelbrot |
| Bentley Systems, Inc. | BeOS | BER |
| Berard Object and Class Specifier | Berkeley | Berkeley 4.2 |
| Berkeley EDIF200 | Berkeley FP | Berkeley Internet Name Domain |
| Berkeley Logo | Berkeley Network | Berkeley Quality Software |
| Berkeley Software Design, Inc | Berkeley Software Distribution | Berkeley Softworks |
| Berkeley Unix | Berkeley Yacc | berklix |
| Berners-Lee, Tim | Bernoulli Box | Bernoulli principle |
| Bernstein condition | BERR | Bertrand |
| Bertrand Meyer | Bertrand Russell | Berzerkeley |
| Berzerkley | bespoke | best effort |
| best first search | best fit | BETA |
| beta | beta abstraction | beta conversion |
| Betamaxed | beta reduction | beta test |
| beta testing | beta version | Bezier |
| Bezier curve | Bezier surface | bf |
| BFI | bg | BGA |
| bgh | BGP | bh |
| BHC Code | bi | bib |
| bible | BIBOP | BibTeX |
| BiCapitalisation | BiCMOS | bidirectional printing |
| Bidouilleurs Sans Argent | bi-endian | BIFF |
| biff | Big bag of pages | big blue |
| big-endian | Big Gray Wall | big iron |
| BIG-LAN | Bigloo | bignum |
| bigot | Big Red Switch | Big Room |
| big win | bijection | Bill Gates |
| Bill Joy | binaries | binary |
| binary coded decimal | Binary Compatibility Standard | binary counter |
| binary data | binary exponential backoff | binary file |
| binary large object | binary package | binary prefix |
| binary relation | binary search | Binary Synchronous Transmission |
| binary tree | BIND | bindery |
| binding handle | binding-time analysis | BinHex |
| Binhex 4.0 | BinProlog | bioinformatics |
| BioMeDical Package | biometric device | biometrics |
| BIOR | BIOS | BIP |
| bipartite graph | BIPM | bipolar |
| bipolar transistor | BIPS | Bird-Meertens Formalism |
| Birds Of a Feather | BISDN | Bison |
| Bison++ | BIST | bisync |
| bit | bit bang | bit bashing |
| bitblt | bit bucket | bit decay |
| bit diddling | bite | Bit Error Rate |
| bit field | bitmap | bitmap display |
| bitmap font | bitmapped display | bit mask |
| BITNET | bitonal image | bit-paired keyboard |
| bit pattern | bit plane | bit rate |
| bit-robbing | bit rot | bit slice |
| bits per inch | bits per pixel | bits per second |
| bit string | bit stuffing | BitTorrent |
| bit twiddling | bitty box | bitwise |
| bitwise complement | bixie | biz-core stability |
| bj | Bjarne Stroustrup | BJC4000 |
| black art | black box | black-box testing |
| Black Data Processing Associates | black hat | black hole |
| BlackIce | black magic | blargh |
| blast | blat | BLAZE |
| BLAZE 2 | bleam | bleeper |
| bletcherous | Bletchley Park | Blind Carbon Copy |
| B-LINE | blinkenlights | BLISS |
| BLISS-10 | BLISS-11 | BLISS-16C |
| BLISS-32 | BLISS-36 | blit |
| blitter | blivet | bloat |
| bloatware | BLOB | block |
| Block And List Manipulation | Block Diagram Compiler | blocked records |
| Block Redundancy Check | Block Started by Symbol | block-structured |
| block transfer computations | blog | blog-driven development |
| Bloggs Family, the | Bloombug | Blosim |
| blow an EPROM | blow away | blowing your buffer |
| blow out | blow past | blow up |
| BLOX | BLT | Blue |
| Blue Book | Blue Box | blue box |
| blue dot syndrome | Blue Glue | Blue Screen of Death |
| Blue Screen of Life | Blue Sky Software | Bluetooth |
| blue wire | blurgle | bm |
| BMAN | BMASF | BMDP |
| B-Method | BMF | BMP |
| bmp | BMWF | bn |
| BNC | BNF | BNR Pascal |
| BNR Prolog | bo | BOA |
| boa | board | boat anchor |
| Bob | Bobo the Webmonkey | BOCS |
| Boehm B. | BOEING | Boeing Airplane Company Algebraic Interpreter Coding |
| BOFH | bogometer | BogoMips |
| bogon | bogon filter | bogon flux |
| bogosity | bogo-sort | bogotify |
| bogue out | BOHICA | Bohr bug |
| boink | BOLERO | Bolt, Beranek and Newman, Inc. |
| bomb | bon | bondage-and-discipline language |
| bonk/oif | Booch method | book |
| bookmark | Bookreader | book titles |
| Bookviewer | bool | Boolean |
| Boolean algebra | Boolean logic | Boolean search |
| Boole, George | Booster | boot |
| boot block | boot disk | booting |
| BOOTP | bootstrap | bootstrap loader |
| boot virus | Border Gateway Protocol | borf |
| Borland International, Inc. | Borland Software Corporation | BOS |
| Bose-Chaudhuri-Hocquenghem Code | BOSS | bot |
| botmaster | botnet | botnet herder |
| bottom | BottomFeeder | bottom feeder |
| bottom-unique | bottom-up implementation | bottom-up model |
| bottom-up testing | botwar | bounce |
| bounce message | boundary scan | boundary value |
| boundary value analysis | bounded | boundedly complete |
| bound variable | Bourne Again SHell | bournebasic |
| Bourne shell | boustrophedonic | box |
| boxed comments | boxen | Boxer |
| boxology | Boycott Apple | bozotic |
| BPEL | BPI | bpmake |
| bpp | BPR | BPS |
| bps | BQS | br |
| brace | bracket | bracket abstraction |
| braille | braille display | Braille embosser |
| Braille printer | Brain Aid Prolog | brain-damaged |
| brain-dead | brain dump | brain fart |
| Brainfuck | braino | branch |
| Branch and Hang | branch coverage testing | branch delay slot |
| Branch on Chip Box Full | branch prediction | Branch Target Buffer |
| branch to Fishkill | Brazil | BRB |
| breadcrumbs | breadth-first search | break |
| break-even point | breakpoint | break statement |
| breath-of-life packet | breedle | BRH |
| BRI | Brian Reid | BRIDGE |
| bridge | Bridgetalk | briefcase |
| brightness | Brilliant | bring X to its knees |
| British Broadcasting Corporation | British Library Method | British Standards Institute |
| British Telecom | British Telecom Research Laboratories | brittle |
| broadband | broadcast | broadcast quality video |
| broadcast storm | Broadway | brochureware |
| broken | broken arrow | Broken As Designed |
| broker | broket | brontobyte |
| Brooks's Law | brouter | Brouwer Fixed-Point Theorem |
| Brown and Sharpe Wire Gauge | brown paper bag bug | browser |
| browserconfig.xml | BRS | BRUIN |
| brute force | brute force and ignorance | brute force attack |
| BS | bs | BS2000 |
| BSA | BSD | BSD386 |
| BSDI | BSD/OS | BSD Unix |
| BSI | BSL | BSOD |
| BSOL | BSOM | BSP method |
| BSRAM | BSS | BSS segment |
| BST | bt | BTB |
| btoa | B-Toolkit | BTOS |
| B-tree | BTRIEVE | BTRIEVE Technologies, Inc. |
| BTRL | BTS | BTW |
| BUAF | BUAG | bubble memory |
| bubble sort | bucky bits | buffer |
| buffered write-through | buffer overflow | buffer overrun |
| bug | bug-compatible | bug fix |
| bug fix release | Bugfoot | bug-for-bug compatible |
| buglix | bugs | BUGSYS |
| bug tracking system | Bugzilla | build |
| built-in | Built-in Self Test | Bull |
| bulletin board | bulletin board system | bullet-proof |
| bullet-proof hosting | Bull Information Systems | bum |
| bump | bundle.js | burble |
| Bureau International des Poids et Mesures | Burge's Language | buried treasure |
| burn-in | burn-in period | Burroughs Corporation |
| Burst EDO | Burst Extended Data Out DRAM | burst page |
| Burst Static Random Access Memory | bus | bus error |
| Bush, Vannevar | Business Analyst | Business Application Programming Interface |
| Business Process Re-engineering | Business Software Alliance | Business Systems Analyst |
| business to business | bus master | bus mastering |
| bus network | bus topology | Busy Beaver |
| busy-loop | busy-wait | Butterfly Common LISP |
| Butterfly Scheme | button | buzz |
| bv | bw | bwBASIC |
| BWQ | by | byacc |
| by hand | Byte | byte |
| byte-code | byte-code compiler | byte-code interpreter |
| byte compiler | bytesexual | Byzantine |
| bz | bzzzt, wrong | C |
| C# | C* | C++ |
| C+- | C+@ | C-10 |
| C1 security | c2man | C2 security |
| c386 | C5 | C64 |
| c68 | CA | ca |
| cable modem | cache | cache block |
| cache coherency | cache conflict | cache consistency |
| cache hit | cache line | cache memory |
| cache miss | Cache On A STick | caching |
| CACI | CACM | CAD |
| CAD/CAM | CADD | Cadence Design Systems |
| CADET | CADRE | CAE |
| CAF | CAFE | CAGE |
| CAI | Cairo | CAIS |
| CAIS-A | CAiSE | CAJOLE |
| CAL | Calc | calculator |
| Calculus of Communicating Systems | Calendar API | Calendar Application Programming Interface |
| Caliban | Calico | California State University San Marcos |
| callback | call-by-name | call-by-need |
| call-by-reference | call-by-value | call-by-value-result |
| call/cc | Call Data Record | callee |
| Caller ID | calling convention | Call-Level Interface |
| Call Unix | Callware | call-with-current-continuation |
| CALS | Caltech Intermediate Form | CAM |
| CAM-6 | CAMAL | Cambridge Lisp |
| CamelCase | Camelot Library | camera ready |
| CAMIL | CAML | Caml Light |
| CAM-PC | Campus Wide Information System | CAN |
| Canada | Cancel | Cancelbunny |
| Cancelm00se | Cancelmoose | Cancelpoodle |
| candidate key | Candle | candygrammar |
| canonical | Canonical Encoding Rules | canonical name |
| canonicity | C (ANSI) | can't happen |
| Cantor | CAP | Capabilities Maturity Model |
| capability | Capability Maturity Model | capacitor |
| capacity | CAPI | Cap'n Crunch |
| Captain Abstraction | Captain Crunch | CAPTCHA |
| car | card | Cardbox for Windows |
| Cardbus | card creep | cardinality |
| cardinal number | CARDS | card walloper |
| Career Limiting Move | caret | careware |
| cargo cult programming | Caribou CodeWorks | Carl Friedrich Gauss |
| Carnegie Mellon University | carpal tunnel syndrome | carriage return |
| Carrierless Amplitude/Phase Modulation | carrier scanner | carrier signal |
| Cartesian coordinates | Cartesian product | CAS |
| CAS 8051 Assembler | cascade | Cascading Style Sheets |
| CASE | case | case and paste |
| case based reasoning | CASE Data Interchange Format | CASE framework |
| case insensitive | Case Integration Services | CASE*Method |
| case sensitive | case sensitivity | CASE SOAP III |
| case statement | CASE tools | cashe |
| CAST | cast | casters-up mode |
| casting the runes | CAT | cat |
| Cat 3 | Cat 5 | catatonic |
| CATE | Categorical Abstract Machine Language | category |
| Category 3 | Category 5 | CA-Telon |
| cathode ray tube | CATIA | cationic cocktail |
| C/ATLAS | CATNIP | CATO |
| Cauchy sequence | cause-effect graphing | CAV |
| Cayenne Software, Inc. | CAYLEY | cb |
| CBASIC | CBBS | C-BC |
| CBD | C Beautifier | CBIR |
| CBN | CBR | CBT |
| CBV | CBVIR | cbw |
| cc | CC++ | C/C++ |
| CCalc | CCD | CCIRN |
| CCITT | CCITT HIgh-Level Language | CCL |
| CCLU | ccmail | cc:mail |
| CCP | CCR | CCS |
| CCSP | CCTA | CD |
| cd | CDA | CD burner |
| CDC | CDC 6600 | CDDI |
| CDD/Plus | CDE | CDF |
| CD-i | CDIF | CDL |
| CDM | CDMA | CDP1802 |
| CDPD | CDR | cdr |
| CD-Read-Write | CD-Rewritable | CD-ROM |
| CD-ROM drive | CD-RW | CDS |
| cd tilde | CDW | CE |
| Cecil | Cedar | CEEMAC+ |
| CEI-PACT | Celeron | CELIP |
| cell | Cellang | CELLAS |
| Cello | cell reference | CELLSIM |
| CEll Space Simulation Language | Cellular | cellular automata |
| cellular automaton | Cellular Digital Packet Data | cellular multiprocessing |
| Cellular Neural Network | CELP | CEN |
| CENELEC | centi-call second | central office |
| Central office exchange service | central processing unit | Centrex |
| Centronics | Centrum voor Wiskunde en Informatica | centum call second |
| century meltdown | CEN/XFS | cepstra |
| cepstrum | CEPT | CER |
| Ceramic Pin Grid Array | Ceres workstation Oberon System | Cerf, Vint |
| CERN | CERNLIB | CERT |
| Certificate Authority | CESP | CESSL |
| cextract | cf | CFD |
| CFG | CFML | cforth |
| cfortran.h | CFP | CFP92 |
| cg | CGA | CGGL |
| CGI | cgi-bin | CGI Joe |
| CGI program | CGI script | CGM |
| CGOL | cgram | Ch |
| ch | chad | chad box |
| Chadless keypunch | chain | Challenge-Handshake Authentication Protocol |
| Chalmers University of Technology | change management | changeover |
| channel | channel associated signaling | channel hopping |
| channel op | channel service unit | channel service unit/data service unit |
| chan op | chaos | CHAP |
| char | character | character encoding |
| character encoding scheme | character graphics | characteristic function |
| character key | character repertoire | character set |
| character set identifier | charge-coupled device | CHARITY |
| charityware | Charles Babbage | Charles Bachman |
| Charles Simonyi | CHARM | CHARM++ |
| Charme | CHARYBDIS | chase pointers |
| CHASM | chat | chatbot |
| chat room | chatterbot | CHeap ASseMbler |
| cheapernet | checkdigit | Checkout Test language |
| checkpoint | checksum | chemist |
| Chen | CHEOPS | Chernobyl packet |
| chess | CHI | Chicago |
| chicken head | chicklet keyboard | chiclet keyboard |
| Chief Information Officer | child | child process |
| child record | child version | CHILI |
| CHILL | Chimera | chine nual |
| Chinese Army technique | CHIP | chip |
| CHIP-48 | CHIP-8 | chip art |
| chip box | chip creep | chip graffiti |
| Chip Jewelry | Chip Scale Packaging | chip set |
| Chips & Technologies | CHISEL | chm |
| chmod | CHOCS | choke |
| chomp | CHOP | Chop |
| Chorus | Christmas tree | Christmas tree packet |
| Christopher Strachey | chromatic number | chrome |
| chroot | CHRP | chug |
| chug report | chunker | Church, Alonzo |
| Church integer | Church of the SubGenius | Church-Rosser Theorem |
| ci | CI$ | CICERO |
| Cichlid | CICS | CID |
| CIDR | CIEL | CIF |
| CIFS | Cigale | CIL |
| CIM | CIMS PL/I | Cinderella Book |
| CINT92 | C-Interp | CIO |
| ciphertext | CIP-L | CIP Language |
| CIR | CIRCAL | circuit |
| CIRcuit CALculus | circuit switch | circuit switched |
| circuit switching | circular buffer | Cirrus Logic |
| CIS | CISC | Cisco Systems, Inc. |
| CISI | CITRAN | CityScape |
| CIX | CJK | CJKV |
| ck | CL | cl |
| CLAM | C Language Integrated Production System | Clarify |
| Clarion | Claris | CLASP |
| class | Class 5 switch | class hierarchy |
| classic | Classic-Ada | classical logic |
| Classic C | Classless Inter-Domain Routing | class library |
| class method | class object | Class Oriented Ring Associated Language |
| Class-Relation Method | Clausal Language | clause |
| Clean | clean | cleanroom |
| CLEAR | clear box testing | Clear Language for Expressing Orders |
| CLEO | CLHEP | CLI |
| CLiCC | click | client |
| client/get_targets | client-server | client/server |
| Client-Server Analyst Programmer | client-server model | Client To Client Protocol |
| C++Linda | C-Linda | CLIP |
| CLiP | clipboard | Clipper |
| CLIPS | clique | CLISP |
| Clive Sinclair | CLIX | CLM |
| CLNP | clobber | clock |
| clock frequency | clock rate | clock speed |
| clone | clone-and-hack coding | clonebot |
| CLOS | close brace | closed-box testing |
| closed interval | closed set | closed term |
| close parenthesis | Clos network | closure |
| closure conversion | cloud | cloud computing |
| Clover | clover key | CLP |
| CLP* | CLP(R) | CLP(sigma*) |
| CLR | CLtL1 | CLtL2 |
| CLU | clu2c | cluster |
| Cluster 86 | clustergeeking | clustering |
| CLUT | CLV | CLX |
| CM | cm | CMA |
| CMAY | CMC | cmd |
| CMGA | CMIP | CMIS |
| CML | CMM | CMOS |
| CMP | CMS | CMS-2 |
| CMU | CMU CL | CMU Common Lisp |
| CMVC | CMYK | CMZ |
| cn | CNAME | CNC |
| CNET | CNI | C|N>K |
| CNN | CNR | CNRI |
| co | CO2 | Coad/Yourdon |
| COALA | coalesced sum | Coalition for Networked Information |
| coarse grain | COAST | coax |
| coaxial cable | COBOL | COBOL-1961 Extended |
| COBOL fingers | COBRA | cobwebsite |
| Cocktail | cocktail shaker sort | CoCo |
| Cocol | Coco Language | Cocol/R |
| COCOMO | Coco/R | CODASYL |
| Codd's First Normal Form | Codd's reduction algorithm | code |
| Code 2.0 | codebook | CODEC |
| CodeCenter | coded character set | Code Division Multiple Access |
| code division multiplexing | Code-Generator Generator Language | code grinder |
| code management | code police | code position |
| coder/decoder | codes | C-odeScript |
| code segment | code walk | codewalker |
| CODIL | codomain | coercion |
| COFF | COGENT | Cogent Prolog |
| Cognitech | cognitive architecture | COGO |
| Coherent Parallel C | COHESION | COIF |
| CoIP | cokebottle | COLASL |
| COLD | cold boot | ColdFusion |
| ColdFusion Markup Language | COLD-K | COLINGO |
| collision | collision detection | collocation |
| co-location | colon | color |
| Color Graphics Adapter | color model | Colossus |
| colour | colour depth | colour look-up table |
| colour model | colour palette | Columbia AppleTalk Package |
| column | Column Address Strobe | COM |
| com | COMAL | combination |
| combinator | combinatory logic | Combined object-oriented Language |
| Comdex | COME FROM | COMIS |
| COMIT | Comité Européen de Normalisation | Comité Européen des Postes et Telecommunications |
| COMIT II | Comma | comma |
| command | Command Control Processor | command interpreter |
| command key | command line interface | command-line interpreter |
| command line option | comma separated values | COMMEN |
| comment | commented out | comment out |
| commercial at | Commercial Internet eXchange | commercial off-the-shelf software |
| commercial software | Commercial Translator | Committed Data Rate |
| Committed Information Rate | comm mode | Commodore |
| Commodore 1010 | Commodore 128 | Commodore 1541 |
| Commodore 1570 | Commodore 1571 | Commodore 1581 |
| Commodore 64 | Commodore 64DX | Commodore 65 |
| Commodore Business Machines | Commodore SX64 | COMmon Algorithmic Language |
| Common Applications Environment | Common Applications Service Element | Common Architecture for Next Generation Internet Protocol |
| COmmon Business Oriented Language | common carrier | Common Command Set |
| Common Communication Services | Common Data Format | Common Desktop Environment |
| Common ESP | Common Gateway Interface | Common Hardware Reference Platform |
| Common Information Model | Common Intermediate Format | Common Intermediate Language |
| Common Internet File System | Common-ISDN-API | Common ISDN Application Programming Interface |
| Common Lisp | Common LISP in Parallel | Common LISP Object System |
| CommonLoops | Common Management Information Protocol | Common Management Information Services |
| Common Object File Format | Common Object Model | Common Object Request Broker Architecture |
| Common Objects | Common Open Software Environment | Common Program Interface |
| Common User Access | Commonwealth Hackish | Communicating Functional Processes |
| Communicating Sequential Processes | Communication and Network Riser | Communications Decency Act |
| Communications of the ACM | communications port | Communications Server |
| communications software | communication system | Community of Massive Gaming Agency |
| COMNET | compact | Compact COBOL |
| Compact Disc | Compact Disc interactive | Compact Disc Read-Only Memory |
| Compact Disc Read-Write | Compact Disc Recordable | Compact Disc Rewritable |
| Compact Disc writer | compaction | compactness preserving |
| Compaq Computer Corporation | Compas Pascal | COMPASS |
| compatibility | compatible | Compatible Timesharing System |
| Compel | Competitive Access Provider | Compiled HTML |
| compiler | COmpiler and GENeralized Translator | compiler compiler |
| Compiler-Compiler | compiler-compiler | compiler jock |
| Compiler Language for Information Processing | Compiler Target Language | compile time |
| COMPL | complement | Complementary Metal Oxide Semiconductor |
| complementary nondeterministic polynomial | complete | complete graph |
| complete inference system | complete lattice | complete metric space |
| completeness | complete partial ordering | complete theory |
| complete unification | Complex Instruction Set Computer | complexity |
| complexity analysis | complexity class | complexity measure |
| complex number | complex programmable logic device | component |
| component architecture | component based development | Component Integration Laboratories |
| Component Object Model | com port | composite |
| composition | Compositional C++ | Compound Document Architecture |
| compound key | COMPREHENSIVE | Comprehensive Perl Archive Network |
| Comprehensive TeX Archive Network | compress | Compressed SLIP |
| compressed video | compression | COMPROSL |
| Compu$erve | Compulink Information eXchange | CompuServe |
| CompuServe Corporation | CompuServe Information Service | CompuServe Interactive Services |
| Compusult Ltd. | computability theory | computable |
| COMputable MAthematics | Computational Adequacy Theorem | computational complexity |
| Computational Fluid Dynamics | computational geometry | computational learning |
| computational molecular biology | COMpute ParallEL | Computer |
| computer | Computer Aided Design | Computer Aided Detector Design |
| Computer Aided Engineering | Computer-Aided Instruction | Computer-Aided Learning |
| Computer Aided Software Engineering | Computer-Aided Software Testing | Computer Aided Test Engineering |
| Computer Animation Movie Language | Computer-Assisted Learning | Computer-Assisted Software Engineering |
| Computer Associates International, Inc. | Computer-Based Training | computer bus |
| Computer Compiler | computer confetti | Computer Conservation Society |
| computer cookie | computer crime | Computer Design Language |
| computer dictionary | Computer Emergency Response Team | computer ethics |
| computer file | computer geek | computer-generated imagery |
| Computer Generation Incorporated | Computer Graphics Metafile | Computer Integrated Manufacturing |
| computer language | Computer Language for AeronauticS and Programming | computer law |
| computer literacy | Computer Management Group of Australia | Computer Mediated Communication |
| computer nerd | computer network | Computer Output on Microfilm |
| Computer Output to Laser Disc | Computer Output to Laser Disk | Computer Professionals for Social Responsibility |
| computer program | computer programming language | Computer + Science NETwork |
| computer security | computer sex | Computer Software Configuration Item |
| Computer-Supported Collaborative Learning | Computer Supported Cooperative Work | Computer Telephone Integration |
| Computer Telephony | Computer Telephony Integration | computer virus |
| computer vision | compute server | computing |
| Computing Devices Canada Ltd. | computing dictionary | computron |
| Compuware Corporation | COMSL | COMTRAN |
| ConC | concatenate | concatenated key |
| concentrator | conceptualisation | Concert/C |
| ConCoord | concrete class | Concrete Data Structure |
| concrete syntax | CONCUR | concurrency |
| Concurrent C | Concurrent C++ | Concurrent Clean |
| Concurrent CLU | Concurrent Constraint Programming | Concurrent Euclid |
| Concurrent LISP | Concurrent Massey Hope | Concurrent ML |
| Concurrent Oberon | Concurrent Object-Oriented C | Concurrent Object-Oriented Language |
| Concurrent Pascal | concurrent processing | Concurrent Prolog |
| Concurrent Scheme | ConcurrentSmalltalk | Concurrent SP/k |
| Concurrent Versions System | condela | condition out |
| condom | Conference On DAta SYstems Languages | Conferencing over IP |
| confidence test | CONFIG.SYS | configuraholic |
| configuration item | configuration management | configuration programming |
| configure | conflation | congestion |
| CONIC | conjunction | Conjunctive Normal Form |
| connect | connected graph | connected subgraph |
| Connection Definition Language | connectionless protocol | Connection Machine LISP |
| connection-oriented | connection-oriented network service | connective |
| connector conspiracy | CONNIVER | Co-NP |
| CONS | cons | cons cell |
| conservative evaluation | considered harmful | consistently complete |
| console | console jockey | consortium |
| Consortium for Lexical Research | constant angular velocity | constant applicative form |
| constant folding | Constantine/Yourdon | constant linear velocity |
| constant mapping | constraint | constraint functional programming |
| Constraint Handling In Prolog | ConstraintLisp | Constraint Logic Programming |
| CONSTRAINTS | constraint satisfaction | constructed type |
| Constructive Cost Model | constructive proof | constructive solid geometry |
| constructor | Consul | consultant |
| container class | content addressable memory | content-based information retrieval |
| content-based visual information retrieval | Content Data Model | content-free |
| contention slot | Contents of Address part of Register | Contents of Decrement part of Register |
| context | context clash | COntext Dependent Information Language |
| context-free grammar | context-sensitive menu | context switch |
| Contextually Communicating Sequential Processes | continental drift | continuation |
| Continuation Passing Style | continuation passing style | continuations |
| continuous function | Continuous System Modeling Program | Continuous System Simulation Language |
| continuous wave | contraction | contract programmer |
| control | Control and Status Register | control bus |
| control-C | control character | control code |
| control flow | control-G | control key |
| Control Language | controller | control-O |
| Control Program | Control Program for Microcomputers | control-Q |
| control-S | control structure | control tty |
| control unit | conventional memory | converged network |
| Convergent Technologies | Convergent Technologies Operating System | Conversational LISP |
| Conversational Monitor System | converse | conversion to iteration |
| CONVERT | convert.f90 | Convex Computer Corporation |
| convex hull | Conway, John Horton | Conway's Game of Life |
| Conway's Law | Conway's Life | cooC |
| cooccurrence matrix | cookbook | cooked mode |
| cookie | cookie bear | cookie file |
| cookie jar | cookie monster | cooky |
| COOL | CooL | COOL:Gen |
| Cooperation for Open Systems Interconnection Networking in Europe | Co-operative Development Environment | Cooperative Information System |
| cooperative multitasking | coordinate | Coordinated Universal Time |
| Coordinating Committee for Intercontinental Research Networks | coordination language | copious free time |
| copper | Copper Distributed Data Interface | coprocessor |
| copy and paste | copybook | copybroke |
| copying garbage collection | copyleft | copy member |
| copy module | copy protection | copyright |
| copyright symbol | copywronged | CORAL |
| CORAL 66 | CORBA | CORBIE |
| CORC | core | core cancer |
| core dump | core gateway | Corel Corporation |
| core leak | Corel VENTURA | Core Protocol Stack |
| Core War | corge | CORnell Compiler |
| Cornell List Processor | Cornell Theory Center | Cornell University |
| Coroutine Pascal | Corporation for National Research Initiatives | Corporation for Open Systems |
| Corporation for Research and Educational Networking | CORREGATE | Correlatives and Conversions |
| Cortex | CORTL | COS |
| COSE | COSINE | cosmic rays |
| COSS | cost control callback | Cost Driver Attribute |
| Cost/Schedule Control System Criteria | COTS | Cougar |
| cough and die | count | countable |
| countably many | counted | counterbug |
| country code | coupling | Course Author Language |
| courseware | Coursewriter III | cowboy |
| COWSEL | CP | CPAN |
| CParaOps5 | CPE | CPGA |
| CPI | CPL | CPLD |
| CPM | CP/M | cpo |
| cpp | cppp | C preprocessor |
| C Programmer's Disease | C-Prolog | cproto |
| CPS | CPSR | CPU |
| CPU Info Center | CPU time | CPU Wars |
| CR | cr | cracker |
| cracking | crack root | crank |
| crapplet | CrApTeX | crash |
| crash and burn | crawler | crawling horror |
| Cray instability | crayola | crayola books |
| crayon | Cray Research, Inc. | CRC |
| creationism | creeping elegance | creeping featurism |
| creeping featuritis | C-Refine | CREN |
| CREW PRAM | crippleware | criptography |
| Crisis Software | CRISP | crisp |
| Crispy Critters | critical mass | critical section |
| CRL | CRLF | CRM |
| crock | cron | cross-assembler |
| cross-compiler | cross-platform | cross-post |
| cross software | CROSSTABS | crosstalk |
| CROW PRAM | CRT | CRUD |
| crudware | cruft | crufted |
| cruft together | crumb | crunch |
| cruncha cruncha cruncha | crunchy | cryppie |
| crypt | cryptanalysis | Crypt Breakers Workbench |
| cryptography | CryptoLocker | cryptology |
| Crystal | CS-4 | C-Scheme |
| CSCI | C/SCSC | CSCW |
| CSG | CSG-tree | csh |
| C-sharp | C shell | CSID |
| C++SIM | CSK Corporation | CSK Software |
| CSL | CSLIP | CSM |
| CSMA/CD | CSMP | CSNET |
| CSO | C=S;O=A | CSP |
| CSP/80 | CS/PCode | CSP/k |
| CS-Prolog | CSPS | CSP-S |
| CS/QCode | CSR | CSS |
| CSSA | CSS/II | CSSL |
| CSTools | CSU | CSU/DSU |
| CSV | CT | CTC |
| CTC++ | CTCP | CTI |
| CTL | CTOS | ctrl |
| CTS | CTSS | CTY |
| CU | cu | CUA |
| Cube | cube | cubing |
| CUCH | Cuckoo's Egg | CUL |
| Culler-Fried System | CUPID | CUPL |
| curly bracket | current | curried function |
| currying | curseperl | curses |
| cursor | cursor dipped in X | CU-SeeMe |
| CUSI | cuspy | custom |
| Customer Information Control System | Customer Information Systems | Customer Interaction Software |
| Customer Relationship Management | CUT | cut and paste |
| cut-and-waste code | cut a tape | cutover |
| cut-through switching | cv | c/version.js |
| CVS | CW | CWeb |
| CWI | CWIC | CWIS |
| C with Classes | cx | cxref |
| cy | Cy486SLC | cyber |
| cyberbunny | cyberchondriac | cybercrime |
| cybercrime as a service | cybercrud | CyberGlove |
| cybernetics | cyberpunk | cyberrhea |
| cybersex | cyberspace | cyberspastic |
| cyber-squatting | CyberWand | CyberZine |
| CYBIL | Cyc | CYCL |
| cycle | cyclebabble | cycle crunch |
| cycle drought | cycle of reincarnation | cycle server |
| cyclic redundancy check | cyclic redundancy code | Cyclo |
| cyclomatic complexity | Cygnus Tcl Tools | cylinder |
| CypherText | Cyrix | Cyrix 6x86 |
| cz | D | D-1000 |
| DAA | DAC | DACAPO |
| DACNOS | D/A converter | DACTL |
| DADS | daemon | DAG |
| Daisy | DAISY 201 | daisy chain |
| daisywheel printer | dancing frog | dangling pointer |
| DANTE | DAP Fortran | DAPLEX |
| DARE | dark-side hacker | Darms |
| DARPA | Dartmouth BASIC | Darwin |
| DAS | DASD | DASE |
| DASL | DAT | data |
| data abstraction | data acquisition | Data Address Generator |
| database | database administrator | database analyst |
| database machine | database management system | database manager |
| database normalisation | database query language | database server |
| database transaction | Data/BASIC | DATABUS |
| data bus | datacenter manager | data channel |
| DATACODE I | Datacom | Data Communication Equipment |
| data communications analyst | Data Communications Equipment | data compression |
| Data definition language | data dictionary | data dictionary file |
| data driven | Data Driven Machine | Data Encryption Algorithm |
| Data Encryption Key | Data Encryption Standard | data feed |
| data flow | data flow analysis | Data Flow Diagram |
| data fork | data frame | Data General |
| Data General mN601 | data glove | datagram |
| data hierarchy | data integrity | Data Interchange Standards Association |
| Data Jack | Datakit | Dataless Management Services |
| dataless management utility | Data Link Connection Identifier | data link layer |
| data link level | Data Link Provider Interface | Data Link Switching |
| data logger | data logging | Data Management Language |
| Data Manipulation Language | data mart | Datamatic Corporation |
| Datamation | data mining | data model |
| data modeling | data modelling | Data Over Cable Service Interface Specification |
| Data Over Cable Systems Interface Specifications | data packet | Dataparallel-C |
| Data Parallel Haskell | data path | Dataphone Digital Service |
| DataPoint | data processing | Data Protection Act |
| data rate | data redundancy | data segment |
| data service unit | data set | data set organization |
| DataStage | data storage | Datastorm Technologies, Inc. |
| data striping | data structure | Data Structure Diagram |
| Data Structures Language | Data Terminal Equipment | Data Terminal Ready |
| DATA-TEXT | data transfer | data transfer rate |
| DATATRIEVE | Datatron 200 series | data type |
| DataViews | DataVis | data warehouse |
| data warehousing | date | DAU |
| daughter | daughterboard | daughtercard |
| David Turner | day mode | DAZIX |
| DB | DB2 | DB-25 |
| DB2 catalog | DBA | dBASE |
| DBC | DBCS | dBFAST |
| DBH | DBMS | DBPL |
| DBRI | dbx | dBXL |
| DC | DC1 | DC2 |
| DC3 | DC4 | DCA |
| DCAC | DCALGOL | DCC |
| DCDL | DCE | DCG |
| DCI | DCL | DCOM |
| DCP | D. C. Power Lab | DCS |
| DCT | DD | dd |
| DDB | DDCMP | DDE |
| DDE Manager | DDIF | DDL |
| DDM | DDN | DDO |
| DDoS | DDP | DDR |
| DDR-RAM | DDR-SDRAM | DDS |
| DDT | DDW | de |
| DE-9 | DEA | DEACON |
| dead | DEADBEEF | dead code |
| dead code elimination | dead-drop | deadlock |
| deadly embrace | dead tree | dead tree edition |
| deamon | death code | Death Star |
| deb | Debbugs | Debian |
| Debian GNU/Hurd | Debian GNU/Linux | debianize |
| deboursification | De Bruijn graph | De Bruijn notation |
| DEBUG | debugger | debugging |
| debugging an empty file | debugging by printf | debugging tool |
| DEC | dec | DEC Alpha |
| decay | DECdesign | DECdns |
| DEChead | dechunker | decidability |
| decidable | decimal point | decision problem |
| decision support | decision support database | Decision Support Systems |
| decision theory | deckle | declarative language |
| DECmate I | DECnet | decode |
| Decomposed Petri Net | decompress | decorated name |
| decrement operator | decryption | DECstation |
| DECT | DECtape | DECUS |
| Decus cpp | DEC Wars | DECwindows |
| DECwrite | DED | dedicated line |
| deductive database | deductive tableau | Deep Blue |
| deep hack mode | deep magic | deep space |
| de facto standard | default | default.htm |
| default route | defect | defect analysis |
| defect density | Defense Advanced Research Project Agency | Defense Advanced Research Projects Agency |
| Defense Calculator | Defense Communications Agency | Defense Data Network |
| Defense Data Network Network Information Center | Defense Information Systems Agency | Defense Trade Regulations |
| deferral | definite clause | definite sentence |
| definitional constraint programming | deflate | deflate compression |
| deflate/inflate compression | deforestation | defrag |
| defragment | defunct process | degree |
| degrees of freedom | dehose | DEK |
| Delaunay triangulation | delayed control-transfer | delay instruction |
| delay slot | delete | delimiter |
| delint | Delirium | Delivered Source Instruction |
| Dell Computer Corporation | Delphi | Delphi Technique |
| Delta | delta | Delta-4 |
| delta conversion | Delta-Prolog | delta reduction |
| DELTASE | demand driven | demand paged |
| demand paging | DeMarco | DeMarco/Yourdon |
| demented | Demeter | demigod |
| De-Militarised Zone | demo | demodulate |
| demodulation | demo mode | demon |
| Demon Internet Ltd. | DeMorgan's theorem | demo version |
| Denis Howe | Dennis Ritchie | denotational semantics |
| Denotational Semantics Language | Department of Defense | Department of Defense Network |
| depeditate | dependability | dependable software |
| Deployment Descriptor | deprecated | depth-first search |
| deque | dequeue | DER |
| dereference | de-rezz | derived class |
| derived type | DES | descender |
| descent function | Descriptive Intermediate Attributed Notation for Ada | Descriptive Top-Level Specification |
| descriptor | design | Design In Real Time |
| design pattern | design recovery | Design System language |
| desk check | desktop | desktop database |
| Desktop Management Interface | Desktop Management Task Force | desktop manager |
| desktop publisher | desktop publishing | DESQview |
| destructor | DESY | DETAB |
| deterministic | deterministic automaton | DETOL |
| developer | development | Developmental Test and Evaluation |
| development environment | device | Device Control |
| Device Control 1 | Device Control 2 | Device Control 3 |
| Device Control 4 | device driver | device independent bitmap |
| Device Manager | Devil Book | devo |
| DEX | DFA | DFC |
| DFD | D-Flat | DFS |
| DFT | DGL | DG/L |
| DHCP | Dhrystone | DHSD |
| DHTML | Dialled Number Identification Service | DIALOG |
| dialup | DIAMAG | diameter |
| Diamond | DIANA | DIB |
| DIBOL | dickless workstation | Dick Size War |
| DICOM | dictionary | Dictionary APL |
| dictionary flame | Dictionary of Algorithms and Data Structures | Dictionary of Computing |
| DID | diddle | Didot point |
| die | die horribly | diff |
| Difference Engine | difference equation | differential backup |
| differential driver | differential line | Diffie-Hellman |
| digerati | digest | Digex |
| DigiCash | Digicom | digirati |
| digit | Digital | digital |
| digital audio | Digital Audio Tape | digital camera |
| digital carrier | digital certificate | digital computer |
| Digital Control System | digital dashboard | Digital Data Service |
| digital electronics | Digital Enhanced Cordless Telecommunications | digital envelope |
| Digital Equipment Computer Users Society | Digital Equipment Corporation | Digital Equipment Corporation Network |
| Digital European Cordless Telecommunications | Digital Express Group, Inc. | Digital Lempel Ziv 1 |
| Digital Library Initiative | Digital Linear Tape | digital logic |
| Digital Multimeter | Digital Radio Mondiale | Digital Research |
| Digital Rights Management | digital service unit | Digital Signal Processing |
| Digital Signal Processing Language | digital signature | digital signatures |
| Digital Signature Standard | Digital Simulation Language | Digital Simultaneous Voice and Data |
| DIGITAL Standard MUMPS | Digital Subscriber Line | Digital Subscriber Line Access Module |
| Digital Subscriber Loop | Digital Switched Network | Digital to Analog Converter |
| Digital Versatile Disc | Digital Versatile Disk Random Access Memory | Digital Video Disc |
| Dijkstra's guarded command language | dike | DIL |
| Dilbert | Dilberted | DIM |
| DIMATE | DIMM | DIM statement |
| DIN | DIN-8 | ding |
| Dining Philosophers Problem | dink | DinnerBell |
| DINO | dinosaur | dinosaur pen |
| dinosaurs mating | diode | Diophantine equation |
| DIP | diplex | DIPP |
| Direct-Access Storage Device | Direct Client to Client Protocol | Direct Connection |
| directed acyclic graph | directed graph | Directed Oc |
| directed set | Direct Inward Dialing | directional coupler |
| Directly Executable Test Oriented Language | direct mapped cache | Direct Memory Access |
| directories | directory | Directory Access Protocol |
| directory service | Directory System Agent | Directory User Agent |
| DirectX | DIRFT | Dirt |
| dirtball | dirty power | dis |
| DISA | disaster planning | disaster recovery |
| disc | disc drive | disclaimer |
| disconnect | Discordianism | discrete |
| discrete cosine transform | discrete Fourier transform | discrete preorder |
| discriminated union | discussion group | Disiple |
| disjoint union | Disjunctive Normal Form | disk |
| disk controller | disk drive | disk duplexing |
| diskette | disk farm | diskless workstation |
| disk mirroring | Disk Operating System | disk operating system |
| disks | disk striping | Dislang |
| disman | display | display hack |
| Display PostScript | Display Screen Equipment | display standard |
| display standards | display terminal | Dissociated Press |
| distfix | Distinguished Encoding Rules | Distributed Component Object Model |
| Distributed Computing Environment | distributed database | Distributed Data Management |
| distributed data warehouse | Distributed Denial of Service | Distributed Eiffel |
| Distributed Logic Programming | Distributed Management Environment | distributed memory |
| Distributed Network Operating System | Distributed Operating Multi Access Interactive Network | Distributed Processes |
| Distributed Queue Dual Bus | Distributed Smalltalk | distributed system |
| distributed systems | distribution | distributive lattice |
| disusered | dithering | Ditto Drive |
| diverge | divisor | dj |
| DJGPP | DjVu | DK |
| dk | DL/1 | DLC |
| DLCI | DLE | DLG |
| DL/I | DLL | DLM |
| DLP | DLPI | DLSw |
| DLT | DLUR/DLUS | DLZ1 |
| dm | DMA | DMAD |
| dmake | DMALGOL | DME |
| DMI | DML | DMM |
| DMS | DMTF | DMU |
| DMZ | DNA computing | DNF |
| DNIS | DNIX | DNOS |
| DNS | do | DOA |
| Doc | doc | docking station |
| DOCMaker | doco | DOCSIS |
| doctype decoration | document | documentation |
| Document Examiner | Document Image Processing | Document Object Model |
| Document Style Semantics and Specification Language | Document Type Definition | DOCUS |
| DoD | DoD-1 | dodgy |
| DOD-STD-2167A | DoD-STD-2168 | DOE |
| DOF | dog | dogcow |
| dogfood | dogfooding | dogpile |
| dogwash | Do It Right the First Time | Dojo |
| DOL | dollar | do loop |
| DOM | domain | domain address |
| Domain Analysis | domain architecture | Domain Architecture Model |
| domain calculus | domain driven design | domain engineering |
| domain handle | domainist | domain maturity |
| domain model | domain name | Domain Name Server |
| Domain Name System | domain selection | Domain Software Engineering Environment |
| domain-specific language | domain squatter | domain theory |
| Domestic Communications Assistance Center | DOMF | Donald Knuth |
| dongle | dongle cracker | dongle-disk |
| Don't do that then! | donuts | Dooced |
| DOOM | DOORS | doorstop |
| Dorito Syndrome | DORUM | DOS |
| DOS/360 | DOS Protected Mode Interface | DOS requester |
| dot | dot address | dot com |
| dotenv | dot file | dot leaders |
| dot matrix printer | dot notation | dot pitch |
| dotted pair | dotted quad | double bucky |
| double-click | Double Data Rate Random Access Memory | Double Data Rate Synchronous Random Access Memory |
| double DECkers | double density | doubled sig |
| double-duplex | double-ended queue | double quote |
| doubly linked list | DOUGLAS | Douglas Engelbart |
| Doug Lenat | DOW COMPILER | Do What the Fuck You Want to Public License |
| do while | down | download |
| downloading | downsizing | downstream |
| down-time | downward closed | Downy cocktail |
| DP | DPA | DPB |
| DPer | dpi | DPL |
| DPL-82 | DPLL | DPMI |
| DPMS | DPN | DPP |
| d-Prolog | DPS | DPS-6 |
| dpSather | DPSK | DQDB |
| draco | Draft Once ReUse Many | drag |
| drag and drop | dragging | drag-n-drop |
| DRAGON | dragon | Dragon Book |
| DRAGOON | drain | DRAM |
| DRAM refresh | Drawing eXchange Format | dread high bit disease |
| DREAM 6800 | DRECNET | drill down |
| drill-down analysis | drive | drive-by download |
| drivers | Dr. James H. Clark | DRM |
| droid | DROOL | drool-proof paper |
| drop cable | drop-down list | drop-down menu |
| drop-ins | drop on the floor | drop-outs |
| DrScheme | DRUCO I | drugged |
| drug report | drum | drunk mouse syndrome |
| dry run | DS0 | DS1 |
| DS1C | DS2 | DS3 |
| DSA | DSDM | DSE |
| DSEE | D-shell connector | DSI |
| DSL | DSLAM | DS level |
| DSM | DSN | DSO |
| DSORG | DSP | DSP32 Assembly Language |
| DSP56000 | DSP56001 | dsp56165-gcc |
| dsp56k-gcc | DSP/C | DSPL |
| DSR | DSS | DSSSL |
| DST | DSU | DSVD |
| DSW | DTALGOL | DTD |
| DTE | DT&E | DTLS |
| DTMF | DTP | DTR |
| DTS | DTSS | D-type |
| D-type flip-flop | du | DUA |
| dual | DUAL-607 | dual-attached |
| dual boot | dual-homed | Dual In-Line |
| Dual In-line Memory Module | Dual In-Line Package | dual ported |
| dual-stack | Dual Tone Multi Frequency | duck typing |
| DUEL | duff | Duff's device |
| dumbed down | dumb terminal | dump |
| dumpster diving | Dungeon | dup killer |
| duplex | Duplex High Speed Data | dup loop |
| Durra | dusty deck | DV cartridge |
| DVD | DVD-R | DVD-RAM |
| DVD-ROM | DVI | Dvorak |
| Dwarf Storage Unit | DWDM | dweeb |
| dwg | DWIM | DX4 |
| DXF | dyadic | Dyadic Systems Limited |
| Dyalog APL | Dyalog Limited | DYANA |
| Dylan | Dylperl | dynamic adaptive routing |
| Dynamic Address Translation | Dynamically Linked Library | dynamically scoped |
| dynamically typed | dynamic analysis | dynamic binding |
| dynamic database management system | Dynamic Data Exchange | Dynamic Data Linking |
| dynamic DBMS | Dynamic Drive Overlay | Dynamic Execution |
| Dynamic Host Configuration Protocol | Dynamic HTML | DYnamic LANguage |
| dynamic link | dynamic link library | Dynamic Object-Oriented Requirements System |
| dynamic RAM | dynamic random-access memory | dynamic routing |
| DYnamics ANAlyzer | dynamic scope | dynamic scoping |
| Dynamic Systems Development Method | dynamic translation | dynamic typing |
| DYNAMO | Dynix | Dynix Automated Library Systems |
| dynner | DYSAC | DYSTAL |
| dz | E | E1 |
| E2 | E2ES | E3 |
| E4 | E5 | E-acute |
| EAF | EAG | eager evaluation |
| Eagle | EAI | EAPROM |
| earliest deadline first | Early PL/I | EARN |
| EAROM | earthquake | Ease |
| EASE II | EASIAC | EAST |
| easter egg | Easter egging | Eastern Washington University |
| EASY FOX | eat flaming death | eating one's own dogfood |
| eating your own dogfood | EAX | EBASIC |
| EBCDIC | EBCIDIC | EBNF |
| Ebone | ec | EC++ |
| ECAP II | E-carrier system | Ecash |
| ECC | Eccles-Jordan circuit | Echidna |
| echo | echo cancellation | ECHT |
| ECIP2 | ECIS | Eckert-Mauchly Computer Corporation |
| ECL | ECLIPSE | ECM |
| ECMA | ECMA International | ECMAScript |
| Ecole Normale Superieure | e-commerce | Econet |
| ECOOP | ECP | ECRC |
| ECRC-Prolog | ECSL | ECSP |
| ECSS II | ECSSL | ed |
| EDA | EDAC | e-ddress |
| Eden | Eden Programming Language | EDF |
| EDI | EDI analyst | EDIF |
| EDIFACT | Edinburgh Multi Access System | Edinburgh Prolog |
| Edinburgh SML | Edison | edit |
| editor | EDL | EDM |
| EdML | EDMS | Ed Nather |
| EDO DRAM | EDO memory | EDO RAM |
| EDP | EDP auditor | EDRAM |
| EDS | EDS+ | EDSAC |
| edu | education contact | edutainment |
| Edward Lorenz | Edward Yourdon | Edwin |
| ee | EEMA | EEPROM |
| EER | E. F. Codd | EFF |
| effective computable | effective number of bits | Effort Adjustment Factor |
| EFI | EFL | EFNet |
| Eforth | E-Forth | EFT |
| EFTPOS | EFTS | eg |
| EGA | Eggdrop | egosurfing |
| EGP | egrep | Egyptian brackets |
| Eh | eh | eHelp Corporation |
| EHTS | EIA | EIA-232 |
| EIA-232C | EIA-422 | EIA-423 |
| EIA-449 | EIA-485 | EIA-530 |
| EIDE | Eiffel | Eiffel source checker |
| eigenvalue | eigenvector | eight-bit clean |
| eight queens problem | eight queens puzzle | eighty-column mind |
| eighty-twenty rule | EIRP | EISA |
| EJB | Eksi Sozluk | EL1 |
| el(alpha) | Elan | El Camino Bignum |
| elder days | e-learning | Electing a Pope |
| Electrically Alterable Programmable Read-Only Memory | Electrically Erasable Programmable Read-Only Memory | Electromagnetic Compatibility |
| electromigration | electron | electronic commerce |
| Electronic Commerce Dictionary | electronic data interchange | Electronic Data Processing |
| Electronic Design Automation | Electronic Discrete Sequential Automatic Computer | Electronic Frontier Foundation |
| electronic funds transfer | Electronic Funds Transfer Point of Sale | electronic funds transfer system |
| electronic magazine | electronic mail | electronic mail address |
| electronic mail client | electronic meeting | Electronic Numerical Integrator and Computer |
| Electronic Performance Support System | Electronic Piece Of Cheese | Electronic Report Management |
| Electronics Industry Association | electronic whiteboarding | electron model |
| electron tube | Electrostatic Discharge | elegant |
| element | elephant | elephantine |
| elevator controller | ELF | ELI |
| Eli Compiler Construction System | ELISP | elite |
| ELIZA | ELIZA effect | Elk |
| ELLA | Ellemtel | Ellie |
| ELLIS | elm | ELMAGUIDE |
| ELMAMETA | ELP | ELSIE |
| Elvis | elvish | EM |
| EM-1 | EMA | Emacs |
| Emacs Lisp | e-mail | e-mail address |
| e-mail client | EMAS | Embedded Lisp Interpreter |
| Embedded Mode | embedded system | embedding |
| EMBLA Pro | embosser | EMC |
| EMD Enterprises, Inc. | EMDIR | Emerald |
| EMI | Emitter Coupled Logic | EML |
| EMM | EMM386 | emote |
| emoticon | empeg | empire |
| empty element tag | Empty Nest | EMS |
| emTeX | EMU8000 | emulation |
| emulator | Emulator program | EMX |
| enabling | Encapsulated PostScript | encapsulation |
| encode | encoder | encryption |
| endian | endless loop | End Of Line |
| End of Medium | End Of Text | End Of Transmission |
| end tag | end-to-end solution | End Transmission Block |
| end-user | engage | Engelbart, Douglas |
| engine | English | English shellcode |
| enhanced | Enhanced Capabilities Port | Enhanced Directory Service |
| Enhanced Dynamic Random Access Memory | Enhanced Graphics Adapter | Enhanced IDE |
| Enhanced Integrated Drive Electronics | enhanced parallel port | Enhanced Small Disk Interface |
| enhancement | ENIAC | Enigma |
| ENOB | ENQ | enqueue |
| ENS | Ente Nazionale Italiano di Unificazione | enterprise |
| Enterprise Application Integration | Enterprise JavaBeans | Enterprise Report Management |
| Enterprise Resource Planning | Enterprise Systems CONnectivity | EntireX |
| entity | entity-relationship diagram | entity-relationship model |
| entropy | Entry Sequenced Data Set | enumerated type |
| enumeration | environment | Environmental Audio eXtensions |
| environment variable | Envoy | EOF |
| EOL | EOR | EOT |
| EOU | EOUG | EP |
| EPCS | ephemeral port | EPILOG |
| EPIM | epistasis | EPL |
| EPOC | epoch | EPP |
| EPROM | EPROM OTP | EPROS |
| EPS | EPSILON | epsilon |
| epsilon squared | EPSIMONE | EPSS |
| EqL | EQLOG | EQLog |
| Eqn | equals | equational logic |
| Equational Programming Language | Equel | equivalence class |
| equivalence class partitioning | equivalence partitioning | equivalence relation |
| equivalent isotropically radiated power | ER | er |
| ERA | era | Erasable Programmable Read-Only Memory |
| erase | eraser stains code | ERC |
| ERCIM | ERD | EREW PRAM |
| ERFPI | ergonomic | ergonomics |
| ERGO-Shell | Eric Conspiracy | Eric S. Raymond |
| Eris | Erlang | ERM |
| erotica | ERP | error |
| error-based testing | error correcting memory | error detection and correction |
| es | ES-1 | ESA |
| ESC | ESCAPE | escape |
| escape sequence | ESCD | ESCON |
| escrow | ESD | ESDI |
| ESF | ESI | esim |
| ESL | ESLPDPRO | ESML |
| ESMTP | esolang | esoteric programming language |
| ESP | ESPOL | ESPRIT |
| ESR | essential complexity | Estelle |
| Esterel | EstPC | ET |
| et | ET++ | eta abstraction |
| eta conversion | eta expansion | eta reduction |
| ETB | ETC | e-text |
| ETHER | EtherGate | Ethernet |
| Ethernet address | Ethernet meltdown | Ethernet Private Line |
| EtherTalk | ethics | ETL |
| ETM | ETRN | ETSI |
| ETX | Euclid | Euclidean Algorithm |
| Euclidean norm | Euclid's Algorithm | Eudora |
| EULA | EULER | EuLisp |
| EUnet Ltd. | Euphoria | Eureka |
| Eureka step | Eurisko | Eurocard |
| Euro-ISDN | EuroNet | EuropaNET |
| European Academic and Research Network | European Committee for Standardization | European Computer-Industry Research Centre GmbH |
| European Computer Manufacturers Association | European Strategic Programme for Research in Information Technology | European Telecommunications Standards Institute |
| EUUG | EV6 | Eva |
| EVALUATE | evaluation | evaluation strategy |
| evaluator | EVE | event |
| Event Description Language | event-driven | EVGA |
| evolutionary algorithm | evolutionary computation | evolutionary programming |
| evolution strategy | EWOS | exa- |
| Exabyte | exabyte | examining the entrails |
| EXAPT | Excalibur bug | Exceed |
| Excel | Excelan | Excelerator |
| exception | exception handler | EXCH |
| Exchange Server | excl | exclamation mark |
| exclamation point | exclusive or | EXCP |
| EXE | EXEC | exec |
| EXEC 2 | EXEC 8 | executable |
| executable content | execute | Execute Channel Program |
| execution | executive | Executive Systems Programming Oriented Language |
| exercise, left as an | exhaustive testing | existence proof |
| existential quantifier | exit | EXODUS |
| eXodus | EXOS | expanded memory |
| expanded memory manager | expanded memory page frame | Expanded Memory Specification |
| expansion card | expansion slot | expect |
| eXperimental LISP | Experimental Physics Control Systems | Experimental Programming Language |
| Experiment Description Language | Expert Judgement Models | expert system |
| Expert Systems Ltd. | explicit parallelism | explicit type conversion |
| exploit | Exploratory Data Analysis | exponent |
| exponential | exponential-time | exponential-time algorithm |
| Express | expression | expression tree |
| extend | Extended Affix Grammar | Extended ALGOL |
| Extended Architecture | Extended Backus-Naur Form | Extended Binary Coded Decimal Interchange Code |
| Extended BNF | Extended C++ | Extended Capabilities Port |
| Extended Concurrent Prolog | Extended Data Out Dynamic Random Access Memory | Extended Data Out Random Access Memory |
| Extended Fortran Language | eXtended Graphics Array | Extended Industry-Standard Architecture |
| extended memory | extended memory manager | Extended Memory Specification |
| Extended ML | Extended Pascal | Extended Self-containing Prolog |
| Extended System Configuration Data | Extended Systems Modelling Language | Extended Tcl |
| Extended Tiny | Extended Video Graphics Array | eXtended Video Graphics Array |
| ExTendible Compiler | extensible | extensible database |
| Extensible Firmware Interface | Extensible HyperText Markup Language | Extensible Markup Language |
| Extensible Shell | Extensible Stylesheet Language | Extensible Stylesheet Language Transformations |
| Extensible VAX Editor | extension | extensional |
| extensional equality | extensionality | Extension Language Kit |
| Exterior Gateway Protocol | eXternal Data Representation | External Machine Interface |
| external memory | EXTRA | extranet |
| extrapolate | extrapolation | EXUG |
| eyeball search | EZ | ezd |
| e-zine | F100-L | f2c |
| F2F | F68K | FAC |
| facebook.com | face time | face-to-face |
| Facile | facsimile | FACT |
| fact | factor | factorial |
| FAD | failback | failover |
| failure | failure-directed testing | FAIR |
| Fairchild F8 | fall back | fall forward |
| fall over | fall through | fall thru |
| FALSE | FancyIndexing | fandango on core |
| fan-out | FAP | FAQ |
| FAQL | FAQ list | faradise |
| farkled | farm | farming |
| FARNET | fas | FASBOL |
| fascist | FASE | FAST |
| Fast ATA | Fast ATA-2 | Faster LEX |
| Fast Ethernet | Fast Fourier Transform | Fast Packet |
| Fast Page Mode Dynamic Random Access Memory | Fast SCSI | FAT |
| FAT32 | fatal | fatal error |
| fatal exception | fat binary | fat client |
| fat electrons | fault | fault-based testing |
| fault tolerance | fault tolerant | Fault Tolerant Unix |
| fault tree analysis | fax | Fax over IP |
| FC | FC-AL | FCB |
| F-code | FCP | FC-PGA |
| FCS | FDC | FDD |
| FDDI | FDISK | fd leak |
| fdlibm | FDMA | FDSE |
| FDSP | FDT | fdx |
| FEA | fear and loathing | fear-driven development |
| feasibility study | feasible | feature |
| feature creature | feature creep | featurectomy |
| feature key | feature shock | FEC |
| FED | Federal Geographic Data Committee | Federal Information Exchange |
| Federal Information Processing Standards | Federal Networking Council | federation |
| Federation Against Software Theft Limited | Fedora | feed |
| feedback | feedback control | feed-forward |
| Feel | feep | feeper |
| feeping creature | feeping creaturism | FEL |
| femto- | fence | fencepost error |
| fepped out | FEPROM | Fermat prime |
| Fermat's Last Post | Ferranti F100-L | ferrite core memory |
| Ferroelectric RAM | Ferroelectric Random Access Memory | Fetch |
| fetch-execute cycle | Feynman, Richard P. | FF |
| ffccc | FFP | FFT |
| FGDC | FGHC | FGL |
| FGL+LV | FGRAAL | fgrep |
| FhG | FHS | FHSS |
| fi | Fiber Distributed Data Interface | Fiber Optic InterRepeater Link |
| fiber optics | Fibonacci sequence | Fibre Channel |
| Fibre Channel-Arbitrated Loop | fibre optics | FIDIL |
| FIDO | FidoNet | Fidonews |
| field | field circus | field effect transistor |
| field emission display | field mouse | field-programmable gate array |
| field servoid | FIFO | Fifth |
| Fifth Dimension Technologies | fifth generation language | fifth normal form |
| Fight-o-net | file | File Allocation Table |
| File Attach | File Composition | file compression |
| file control block | file descriptor | file descriptor leak |
| file extension | FileMaker | FileMaker, Inc. |
| filename extension | FileNet | File Request |
| File Separator | file server | File Service Protocol |
| file signature | file system | Filesystem Hierarchy Standard |
| file transfer | File Transfer Protocol | file type |
| filing system | filk | fill-out form |
| film at 11 | FILO | Filtabyte |
| filter | filter promotion | FIMS |
| Finagle's Law | Financial Information eXchange | Finder |
| fine adjuster | fine grain | finger |
| finger-pointing syndrome | finite | Finite Automata |
| Finite Automaton | finite differencing | Finite Impulse Response |
| Finite State Automata | Finite State Automaton | Finite State Machine |
| finn | FIPS | FIR |
| firebottle | firefighting | Firefox |
| firehose syndrome | firewall | firewall code |
| firewall machine | FireWire | fireworks mode |
| Firmware | firmy | first class module |
| first fit | first generation | first generation computer |
| first generation language | first-in first-out | first normal form |
| first-order | first-order logic | First Party DMA |
| fish | FISH queue | FITNR |
| FITS | FIX | fix |
| fixed disk | fixed point | fixed-point |
| fixed point combinator | fixed-radio access | fixed-width |
| FIXME | fixpoint | fj |
| Fjolnir | fk | FL |
| F+L | flag | flag day |
| FLAIR | flaky | flamage |
| flame | flame bait | flame off |
| flame on | flamer | flame war |
| flaming | FLAP | flap |
| flapping router | flarp | Flash |
| flash | flash drive | Flash EPROM |
| Flash Erasable Programmable Read-Only Memory | Flash Lights Impressively | flash memory |
| Flash ROM | flat | flat address space |
| flat ASCII | flat file | flat file database |
| flatten | flat thunk | Flavors |
| Fleng | FLEX | Flex |
| Flex++ | Flex 2 | FLI |
| flib | FLIC | FLIP |
| Flip Chip Pin Grid Array | flip-flop | flippy |
| FLIP-SPUR | float | floater |
| floating-point | floating-point accelerator | Floating-Point SPECbaserate |
| Floating-Point SPECbaseratio | Floating-Point SPECrate | Floating-Point SPECratio |
| floating point underflow | Floating-Point Unit | floating underflow |
| F-Logic | flood | FLOP |
| Floppy | floppy | floppy disc |
| floppy disk | floppy disk drive | floppy drive |
| FLOPS | Flops | floptical |
| Flow | flow chart | flow control |
| flower key | FLOW-MATIC or FLOWMATIC | flow of control |
| FLPL | FLUB | Fluegelman, Andrew |
| flush | Flynn's taxonomy | fly page |
| Flyspeck 3 | flytrap | FM |
| fm | FMPL | FMQ |
| FMS | FMV | FNAL |
| FNC | fnord | FN tunnelling |
| fo | FOAD | FOAF |
| FOCAL | FOCL | FOCUS |
| focus group | FOD | FOIL |
| FoIP | FOIRL | fold case |
| folder | fold function | FOLDOC |
| followup | font | fontology |
| foo | foobar | foogol |
| FOOL | fool file | Fools' Lisp |
| Foonly | FOOP | foot-net |
| footprint | for | fora |
| FORC | Force | ForceOne |
| ForceTwo | foreground | Foreign eXchange Office |
| Foreign eXchange Subscriber | foreign key | Foresight |
| for free | fork | fork bomb |
| forked | for loop | FORM |
| FORMAC | FORMAL | formal argument |
| Formal Description Technique | formal methods | Formal Object Role Modeling Language |
| formal review | format | FORMAT-Fortran |
| Formatting Output Specification Instance | Formes | form factor |
| form feed | form function | FORML |
| forms | formula | Formula ALGOL |
| Forsythe | FORTH | for The Rest Of Them |
| for The Rest Of Us | Forth Modification Lab | Fortran |
| Fortran 66 | Fortran 77 | Fortran 90 |
| Fortran Automatic Symbol Translator | Fortran D | Fortran I |
| Fortran II | Fortran III | Fortran IV |
| Fortran-Linda | Fortran M | Fortran Matrix Abstraction Technique Fortran |
| Fortran-Plus | FORTRANSIT | Fortran V |
| Fortran VI | Fortrash | FORTRUNCIBLE |
| fortune cookie | forum | for values of |
| forward | forward analysis | forward chaining |
| forward compatibility | forward compatible | forward delta |
| forward engineering | Forward Error Correction | forwards compatibility |
| forwards compatible | FORWISS | For Your Information |
| FOSI | FOSIL | FOSS |
| fossil | foundation | FOundation for Research and Technology - Hellas |
| four-colour glossies | four colour map theorem | four colour theorem |
| Fourier transform | fourth generation computer | fourth generation language |
| fourth normal form | Fowler-Nordheim tunnelling | Fox |
| FoxBASE+ | FoxPRO | Fox Software |
| Fox Wiki | FP | FP2 |
| FPA | fpc | FPGA |
| FPLMTS | FPM | FP/M |
| FPM DRAM | fprintf | fps |
| FPU | FQDN | FQL |
| fr | FRA | fractal |
| fractal compression | fractal dimension | FRAD |
| fragile | fragment | fragmentation |
| FRAM | frame | frame buffer |
| Frame Check Sequence | frame grabber | FrameKit |
| FrameMaker | frame pointer | frame rate |
| Frame Relay | Frame Relay Access Device | frames per second |
| Frame Technology Corporation | framework | Framework 4 |
| framing specification | FRANK | Franz Lisp |
| Fraps | Fraunhofer Gesellschaft | FRED |
| fred | Fredette's Operating System Interface Language | frednet |
| free | FreeBSD | FreeHEP |
| Freenet | Free Objects for Crystallography | Free On-line Dictionary |
| free open-source software | FreePPP | freerexx |
| free software | Free Software Foundation | free variable |
| freeware | freeze | Frege, Gottlob |
| frequency division multiple access | frequency division multiplexing | Frequency-Hopping Spread Spectrum |
| Frequency Modulation | Frequency Shift Keying | frequently asked question |
| Fresco | Fresh | friction feed |
| fried | Friend | FRINGE |
| frink | friode | fritterware |
| FRL | FRMT-FTRN | frob |
| frobnicate | frobnitz | Frobozz Magic Programming Language |
| frogging | Frolic | front end |
| front-end processor | front side bus | frotzed |
| frowney | fry | FS |
| FSB | fsck | FSF |
| FSK | FSL | FSM |
| FSP | fsplit | FT |
| FTAM | FTP | FTP archive |
| FTP by mail | FTP server | FTP Software, Inc. |
| FTTP | FTW | FTX |
| FUBAR | FUD | fudge |
| fudge factor | Fudgets | FUDGIT |
| FUD wars | Fuel-can | Fugue |
| Fujitsu | full-custom | full-duplex |
| full-duplex Switched Ethernet | full laziness | full-motion video |
| full outer join | fully associative cache | Fully Automated Compiling Technique |
| fully lazy lambda lifting | fully qualified domain name | fum |
| Fun | function | functional |
| functional database | functional dependency | functionality |
| functional language | functional program | functional programming |
| functional programming language | functional requirements | functional specification |
| functional testing | functional unit | function application |
| function complete | Function Graph Language | function inlining |
| function key | Function Point Analysis | functor |
| funky | FUNLOG | FunnelWeb |
| funny money | furigana | furrfu |
| FUSE | FUSION | fusion |
| FutureBasic | future date testing | futz |
| fuzzball | fuzzy computing | fuzzy logic |
| fuzzy subset | fweep | FWIW |
| fx | FX-87 | FX-90 |
| FXO | FXS | FYA |
| FYI | FYI4 | G |
| G2 | G3 | G4 |
| GA | ga | Gabriel |
| gabriel | Gabriel, Richard | GADS |
| Gaelic | gag | GAIA |
| GAL | Galaxy | Galileo |
| Gambit | Game Boy | games |
| game tree | GAMMA | gamma correction |
| GAMS | gamut | GAN |
| GANDALF | gang bang | GAP |
| GAPLog | garbageabetical order | garbage collect |
| garbage collection | Garbage In, Garbage Out | Gargoyle |
| Garnet | GARP | garply |
| Gartner Group | gas | GASP |
| gas plasma display | GAT | GATE |
| gate | gated | Gates |
| gateway | Gateway 2000 | Gauss |
| Gaussian distribution | gawk | GB |
| Gb | gb | g-bell |
| GBIP | GBML | gbps |
| GC | GCAL | GCC |
| GCL | G-Code | GCOS |
| GCOS Macro Assembler Program | GCR | GCT |
| gd | GDA | GDB |
| GDBPSK | Gödel, Kurt | GDI |
| GDMO | GDPL | GE |
| ge | GE-645 | GEA |
| GEANT | GECOM | GECOS |
| Gedanken | gedanken | geef |
| geek | geek out | GEI |
| GE Information Services | GEM | gen |
| gender mender | Gene Amdahl | General Activities Simulation Program |
| General Aerodynamic Simulation Program | General Dynamics Canada Ltd | General Electric |
| General Electric Comprehensive Operating System | General Magic | General Packet Radio Service |
| General Protection Failure | General Protection Fault | General Public Licence |
| General Public License | General Public Virus | General Purpose Graphic Language |
| General Purpose Interface Bus | General Purpose Language | General Purpose Macro-generator |
| General Recursion Theorem | generate | generation |
| Generic Array Logic | Generic Expert System Tool | generic identifier |
| genericity | generic markup | generic programming |
| Generic Routing Encapsulation | Generic Security Service Application Programming Interface | generic thunk |
| generic type variable | Genesia | genetic algorithm |
| genetic algorithms | genetic programming | GEnie Services |
| Genken Programming Language | GENOVA | gensym |
| Gensym Corporation | Gensym Standard Interface | Gentleman's Portable Coroutine System |
| GEN-X | Geographical Information System | Geographic Information System |
| geometric mean | GEORGE | GEORGE 3 |
| George Boole | Georg Simon Ohm | GEOS |
| GEPURS | Gerald | Gerald Sussman |
| German | German National Research Center for Computer Science | GEST |
| Get a life! | Get a real computer! | get.com |
| getty | gf | GFDL |
| g file | GFLOPS | GFR |
| GFS | gh | GHC |
| ghetto code | ghost | Ghostscript |
| ghostview | GHz | GI |
| gi | Gibson, William | gid |
| GIF | GIF89 | GIF89a |
| GIFF | gig | giga- |
| gigabit | gigabits per second | gigabyte |
| gigaflop | gigaflops | GigaHertz |
| GIGO | gilley | gillion |
| Gilmore, John | GIM-1 | GIN |
| GINA | Ginger | GIP |
| GIPS | GIRL | GIS |
| Giuseppe Peano | GIYF | GKS |
| GKS-3D | GL | gl |
| Glammar | glark | Glasgow Haskell Compiler |
| GLASS | glass | glass box testing |
| glassfet | glass tty | GLB |
| glibc | Glish | Glisp |
| glitch | glob | global index |
| globalisation | Global Network Navigator | Global Positioning System |
| Global System for Mobile Communications | glork | GLOS |
| GLOW | GLS | GLU |
| glue | glue language | glyph |
| Glypnir | gm | GMAP |
| GMD | GMD Toolbox for Compiler Construction | GMT |
| gn | gnarly | Gnat |
| GNATS | GNN | GNOME |
| Gnome Computers | GNU | GNU archive site |
| GNU assembler | GNU awk | GNU BC |
| GNU C | GNU C Library | GNU DC |
| GNU E | GNU Emacs | GNU Free Documentation License |
| GNU General Public License | GNUMACS | GNU mirror site |
| GNU Network Object Model Environment | Gnuplot | GNU Privacy Guard |
| GNU Problem Report Management System | GNU public licence | GNUS |
| GNU sed | GNU Smalltalk | GNUstep |
| GNU style | GNU superoptimiser | Go |
| goal | goal seek | Go Back N |
| gobble | GObject Introspection | Godwin's Law |
| Godzillagram | Goedel | go-faster stripes |
| Gofer | Goffin | go flatline |
| GO-GO | go gold | GOL |
| golden | golf ball printer | GOM |
| gonk | gonkulator | GOOD |
| Good Thing | Google | googol |
| googolplex | gopher | Gopher client |
| Gopher object type | Gopherspace | gorets |
| gorilla arm | go root | gorp |
| GOSIP | Gosling, James | GOSMACS |
| Gosperism | GOSPL | gotcha |
| goto | Gottlob Frege | gov |
| governance | Government OSI Profile | go voice |
| GP | gp | GPF |
| GPIB | GPL | GPM |
| GPRS | GPS | GPSS |
| GPU | GPV | GPX |
| gq | gr | GRAAL |
| grabber pointer | Grace Hopper | GRAF |
| Graffiti | GRAIL | GRAIN |
| grain | GRAM | grammar |
| grammar analysis | grammatical inference | Grandfather, Father, Son |
| granularity | Grapes | Grapevine |
| graph | Graph Algorithm and Software Package | graph coloring |
| graph colouring | Graphic ALGOL | Graphical Kernel System |
| Graphical User Interface | Graphic Display Interface | Graphic Language |
| graphics | graphics accelerator | graphics adapter |
| graphics adaptor | graphics card | Graphics Interchange Format |
| Graphics Interface Format | Graphics Language Object System | graphic workstation |
| Graph-Oriented Object Database | graph plotter | graph reduction |
| graph rewriting system | GRAPPLE | GRAS |
| GRASP/Ada | GRASPIN | grault |
| Gray | graybar land | Gray code |
| gray-scale | GRE | greater than |
| greatest common divisor | greatest lower bound | Great Renaming |
| Great Runes | Great Worm | greek |
| greeking | Green | Green Book |
| Green Book CD-ROM | green bytes | green card |
| green lightning | green machine | green monitor |
| Green's Theorem | Greenwich Mean Time | green words |
| Greg Olson | Gregorian calendar | grep |
| grey-scale | Greystone Technologies | GRG |
| GRIB | grick | grilf |
| Grim File Reaper | GRIND | grind |
| grind crank | GRIP | gripenet |
| gritch | grix | groff |
| grok | gronk | gronked |
| group | Group 3 | Group 4 |
| Group Code Recording | group identifier | Group Separator |
| Group-Sweeping Scheduling | Groupware | Groupwise |
| grovel | grunge | gry |
| GS | gs | GSBL |
| GSI | GSL | GSM |
| GSPL | GSS | GSS-API |
| gt | gtg | GTK+ |
| GTL | GT/SQL | gu |
| guaranteed scheduling | guard | Guarded Horn Clauses |
| gubbish | guest book | GUI |
| GUIDE | Guide | Guide to Available Mathematical Software |
| guiltware | gun | gunch |
| Gunning Transceiver Logic | gunzip | Gupta Corporation |
| gurfle | guru | guru meditation |
| Guy Lewis Steele, Jr. | Guy Steele | GVL |
| gw | GW-Ada | GW-BASIC |
| gweep | GWHIS | GWM |
| gy | Gypsy | gz |
| gzip | h | H.261 |
| H.264 | H.323 | Habitat |
| hack | hackathon | hack attack |
| hacked off | hacked up | hacker |
| hacker ethic | hacker humour | hacking run |
| Hacking X for Y | Hackintosh | hackish |
| hackishness | hackitude | hack mode |
| hack on | hack together | hack up |
| hack value | ha ha only serious | hair |
| hairball | hairy | hairy ball |
| HAKMEM | hakspek | HAL |
| half-duplex | halftone | HALGOL |
| HALMAT | Hal/S | Halt and Catch Fire |
| halting problem | Hamilton | Hamiltonian cycle |
| Hamiltonian path | Hamiltonian problem | Hamiltonian tour |
| Hamilton's problem | hammer | Hamming code |
| Hamming distance | Hamming, Richard | hamster |
| Han character | HAND | hand cruft |
| Handel | hand hack | Hand-held Personal Computer |
| handle | handoff | handover |
| hand-roll | handshake | handshaking |
| handwave | hang | hanja |
| Hanoi | Han Unification | hanzi |
| happily | Happy | haptic interface |
| haptics | haque | hard boot |
| hard-coded | hardcopy | hard crash |
| hard disk | hard disk drive | hard drive |
| hard link | hard linking | hard sector |
| hardware | Hardware Abstraction Layer | hardware circular buffer |
| Hardware Description Language | hardware handshaking | hardware register |
| hardwarily | hard-wired | Harris Semiconductor Ltd. |
| Harvard architecture | Harvard Graphics | Harvard Mark II Machine |
| Harvest | Harvest C | hash |
| hash bucket | hash character | hash coding |
| hash collision | hash function | hashing |
| hash table | Haskell | Haskell B |
| Haskell Curry | Haskell User's Gofer System | HASL |
| HASP | has the X nature | hat |
| hate-driven development | Hayes | Hayes-compatible |
| Haze | HBOOK | hc |
| HC-900 | HCF | HCI |
| HCLP | HCPRVR | HCS |
| HD | HD6309 | HDA |
| HDC | HDD | HDF |
| HDFL | HDL | HDLC |
| HDM | HDMI | HDSL |
| HDTV | hdx | Head Disk Assembly |
| header | Head Normal Form | head normalisation theorem |
| heads down | head-strict | heap |
| heartbeat | heatseeker | heat sink |
| heat slug | heavy metal | heavyweight |
| heavy wizardry | Hebbian learning | heisenbug |
| Helen Keller mode | Helix | hello |
| hello packet | hello, sailor! | hello, world |
| HELP | Helvetica | henry |
| HENSA | HEP | HEPDB |
| HEPiX | HEPnet | HEPVM |
| HEQS | HERA | HERAKLIT |
| here document | Herman Hollerith | Hermes |
| Hesiod | heterogeneous | heterogeneous network |
| heterogenous | heuristic | heuristics testing |
| Hewlett-Packard | Hewlett-Packard Graphics Language | Hewlett-Packard Interface Bus |
| Hewlett Packard Multi Processing Executive | Hewlett Packard Precision Architecture | Hewlett-Packard Visual Engineering Environment |
| hex | hexadecimal | hexidecimal |
| hexit | HFC | HHCP |
| HHOJ | HHOK | HHOS |
| hi | HIBOL | HID |
| hidden flag | hierarchical database | Hierarchical Data Format |
| Hierarchical Design Methodology | hierarchical file system | Hierarchical Music Specification Language |
| hierarchical navigation | Hierarchical Object Oriented Design | hierarchical routing |
| hierarchy | Higgs Bugson | high bit |
| High bit-rate Digital Subscriber Line | high colour | High-Definition Multimedia Interface |
| high density | Higher Education National Software Archive | higher-order function |
| higher-order macro | High-level Data Link Control | high-level language |
| high memory area | high moby | High Performance Computing and Communications |
| High Performance File System | High Performance Fortran | High Performance Parallel Interface |
| High Performance Routing | High Performance Serial Bus | High Speed Circuit Switched Data |
| High Speed Connect | High-speed Net Connect | high speed serial interface |
| High Voltage Differential | HIGZ | hill climbing |
| HiLog | HIMEM | Hindenbug |
| hing | HINT | HiPAC |
| HIPPI | hiragana | hirsute |
| HISTORIAN | history | hit |
| Hitachi 6309 | Hitachi HD64180 | HITL |
| hit rate | hk | HL7 |
| HLISP | HLL | HLLAPI |
| hlp | hm | HMA |
| HMAC | hmake | HMD |
| HMP | HMSL | HMTL |
| hn | HNAP | HNAP1 |
| HNC | HO | Hoare powerdomain |
| Hobbit | hobbit | hog |
| HOL | HOL-88 | HOL-90 |
| hole | hole model | Hollerithabetical order |
| Hollerith, Herman | Hollywired | HOL-UNITY |
| holy wars | home | home box |
| home keys | home machine | Home Network Administration Protocol |
| home page | Home Phoneline Networking Alliance | HomePNA |
| home row keys | homogeneous | homogenous |
| homomorphism | honeypot | Honeywell |
| Honeywell-800 Business Compiler | HOOD | HOOK |
| hook | hop | Hope |
| Hope+ | Hope+C | Hopfield model |
| Hopfield network | horizontal application | horizontal encoding |
| horizontal loop combination | horizontal microcode | horizontal scan rate |
| horizontal tabulation | Horn clause | hose |
| hosed | HOS-STPL | host |
| host adapter | Host Command Facility | Host Control Interface |
| host-host layer | hosting | hostname |
| host number | hosts file | Hot Fix |
| HotJava | Hotline | Hotline Communications Ltd. |
| Hotline Connect | hotlink | hotlist |
| Hotmail | hot spot | Hot Standby Routing Protocol |
| Hot Swapable Routing Protocol | Hot Swappable Routing Protocol | hot swapping |
| HOTT | house wizard | Houston Automatic Spooling Program |
| Howe, Denis | how many nibbles are in a byte | how many nibbles in a byte |
| HP | hp2ps | HP9000 |
| H/PC | HPCC | HPcode |
| HPCode-Plus | HPF | HPFS |
| HP-GL | HP-GL/2 | HP-IB |
| HPL | HPLOT | HP-MPE |
| HP-PA | HPPI | HPR |
| HP-SUX | HP-UX | HP VEE |
| hqx | hr | href |
| hs | HSB | HSC |
| HSCSD | HSL-FX | HSM |
| HSRP | HSSI | HSV |
| HT | ht | HTH |
| HTLM | HTML | HTML+ |
| htmlcommentbox.com | HTTL | HTTP |
| HTTP/1.0 | HTTP cookie | HTTPd |
| HTTP proxy server | HTTP response status code | HTTPS |
| HTTP server | hu | hub |
| Hubnet | hubs | Hudson |
| hue | hue, saturation, brightness | hue, saturation, value |
| huff | Huffman | Huffman code |
| Huffman coding | Huffman encoding | Hugh Loebner |
| HUGO | HUGS | Human-Computer Interaction |
| Human-Computer Interface | Human Interface Device | Human Interface Technology Laboratory |
| humanist technology | humma | humor |
| humour | hung | Hungarian Notation |
| Hungry Programmers | hungry puppy | Hungry ViewKit |
| hungus | Hunt the Wumpus | Hurd |
| HVD | Hybrid | Hybrid Fiber Coax |
| hybrid multiprocessing | hybrid testing | hydra code |
| hydrofluorocarbon | HyperBase | Hyper-C |
| HyperCard | hypercube | Hyperion |
| hyperlink | Hyper-Man | hypermedia |
| HyperNeWS | Hyperscript | hyperspace |
| HyperSPARC | Hyperstrict | HyperTalk |
| hypertext | hypertext link | Hypertext Markup Language |
| Hypertext Transfer Protocol | HyperText Transmission Protocol, Secure | hypervisor |
| hyperware | hypotenuse | hysterical reasons |
| Hytelnet | HyTime | i18n |
| I2O | i386 | i486 |
| i487 | i860 | IA |
| IA32 | IAB | IAD |
| IAL | IAM | IANA |
| IANAL | IAP | I-APL |
| IAR | IAS | IAW |
| IAYSDAH | IBEX | IBM |
| IBM 1130 | IBM 1403 | IBM 1620 |
| IBM 1710 | IBM 2741 | IBM 3270 |
| IBM 360 | IBM 370 | IBM 370ESA |
| IBM 370XA | IBM 3720 | IBM390 |
| IBM 650 | IBM 700 series | IBM 701 |
| IBM 704 | IBM 7040 | IBM 705 |
| IBM 709 | IBM 7090 | IBM 7094 |
| IBM 801 | IBM compatible | IBM Customer Engineer |
| IBM discount | IBM PC | IBM PC AT |
| IBM PCjr | IBM PC XT | IBM System/36 |
| IBM Systems Engineer | IBM zSeries | Ibpag2 |
| Iburg | IC | ICA |
| ICAM | ICANN | I-CASE |
| ICBM address | ICE | icebreaker |
| ICES | ICETRAN | ICI |
| ICL | ICMP | ICMP Router Discovery Protocol |
| I-Comm | iCOMP | Icon |
| icon | Icon-Based Parser Generation System 2 | Iconicode |
| ICONIX Software Engineering, Inc. | IC-Prolog | IC Prolog II |
| ICQ | ICSI | ICT |
| ICW | ICWS | Id |
| id | I-D | ID10T |
| IDAMS | IDD | IDE |
| IDEA | IDEAL | ideal |
| Idealized CSP | Idealized Instruction Set | IDEF |
| IDEF0 | idempotent | identifier |
| ideogram | I didn't change anything! | idk |
| IDL | IDMS | IDMSX |
| Id Nouveau | IDOL | IDS/I |
| IDSN | id Software | IDSS |
| IE | ie | IEC |
| IEC 559 | IEEE | IEEE 1076 |
| IEEE 1394 | IEEE 488 | IEEE 754 |
| IEEE 802 | IEEE 802.1 | IEEE 802.2 |
| IEEE 802.3 | IEEE 802.3u | IEEE 802.3z |
| IEEE 802.4 | IEEE 802.5 | IEEE Computer Society |
| IEEE Floating Point Standard | IEEE Standard 1149.1 | IEF |
| IEN | IEPG | IESG |
| IETF | IF1 | IF2 |
| IFAC | IFC | ifdef out |
| IFDL | IFF | iff |
| IFIP | IFP | IFS |
| IFX | If you want X, you know where to find it. | IGC |
| IGES | IGL | IGMP |
| IGP | IGPL | IGS |
| IGU | IHS | IHV |
| IIcx | IIDMS/R | IIL |
| IINREN | IIOP | IIR |
| IIRC | IIS | IIT |
| IITF | IITRAN | il |
| ILBM | ILF | ILIAD |
| I-Link | ILISP | ill-behaved |
| ILLIAC | Illiac IV | Illinois Functional Programming |
| ILOC | Ilog Solver | iMac |
| image | image formats | image map |
| image processing | image recognition | imaging |
| Imago Europe plc | Imago On-line | imake |
| IMAO | IMAP | imc |
| IMD | IMHO | IML |
| immediate version | Imminent Death Of The Net Predicted! | IMNSHO |
| IMO | IMP | impact printer |
| impedance | imperative | imperative language |
| imperative programming | Imperial College of Science, Technology and Medicine | Imperial Software Technology |
| IMPlementation language | implication | implicit parallelism |
| implicit type conversion | implies | imply |
| import | imprecise probability | IMProved Mercury autocode |
| IMR | IMS | IMS 6100 |
| Imsai | IMS/Data Base | IMS/Data Communications |
| IMSE | IMTC | in |
| Ina Jo | InARP | in-band signaling |
| in-band signalling | inc | incantation |
| include | include war | inclusive |
| incomparable | incremental analysis | incremental backup |
| incremental constraint solver | Incremental Prototyping Technology for Embedded Realtime Systems | increment operator |
| indent | indentation | indent style |
| Independent Computing Architecture | Independent Logical File | Independent Verification and Validation |
| index | Index Data | IndexedDB |
| Indexed Sequential Access Method | index.htm | index.html |
| index register | indices | indirect address |
| indirect addressing | indirection | indirect jump |
| induction | inductive inference | inductive relation |
| Industrial Programming, Inc. | Industrial Robot Language | Industry Standard Architecture |
| inetd | inews | infant mortality |
| infeasible path | inference | inference engine |
| inference rule | infimum | infinite |
| Infinite Impulse Response | infinite loop | Infinite Monkey Theorem |
| infinite set | infinity | infix notation |
| infix syntax | inflate | INFN |
| Infobahn | Info BASIC | infobot |
| Informatics Corporation | information | Information Algebra |
| Information and Communication Technology | Information Appliance | Information Builders |
| Information Engineering Facility | information highway | Information Infrastructure Task Force |
| Information Innovation | information island | Information Management |
| Information Management System | information overload | Information Processing Language |
| Information Resource Management | information superhighway | Information Systems Factory |
| information technology | information technology governance | Information Technology Infrastructure Library |
| Informix | InfoSeek | InfoStreet, Inc. |
| infotainment | InfoWord Office | infrared |
| Infrared Data Association | infrastructure | Inglish |
| INGRES | inheritance | initgame |
| initialise | Initial Microprogram Load | Initial Operational Test and Evaluation |
| Initial Program Load | Initial Program Loader | initiator |
| injection | inkjet printer | ink printer |
| inline | inline element | inline image |
| INMOS transputer | inner class | inner join |
| inner product | InnovAda | inode |
| in-order traversal | inout | IN point |
| Inprise Corporation | Input | input |
| input device | input/output | input/output redirection |
| inquiry/response system | INRIA | insanely great |
| insertion sort | INSIGHT | Insignia Solutions, Inc. |
| inspection | installable file system | installed user base |
| installer | instance | instance variable |
| instantiate | instantiation | Institute for Global Communications |
| Institute of Electrical and Electronics Engineers, Inc. | Institut National de Recherche en Informatique et Automatique | instruction |
| Instruction Address Register | instructional technology | instruction mnemonic |
| instruction prefetch | instruction register | instruction scheduling |
| instruction set | instruction set architecture | Instruction Set Processor |
| instrument | int | INTCODE |
| integer | Integer SPECbaserate | Integer SPECbaseratio |
| Integer SPECrate | Integer SPECratio | integrated circuit |
| Integrated Database Management System | Integrated Development Environment | Integrated Drive Electronics |
| Integrated Information Technology | Integrated Modelling Support Environment | Integrated Project Support Environment |
| Integrated Services Digital Network | Integrated Systems Architecture | Integrated Systems Laboratory |
| integration | integration testing | integrity |
| integrity constraint | Intel | Intel 4004 |
| Intel 4040 | Intel 486 | Intel 486DX |
| Intel 486SX | Intel 487SX | Intel 8008 |
| Intel 80186 | Intel 80188 | Intel 80286 |
| Intel 80386 | Intel 80386DX | Intel 80386SX |
| Intel 8048 | Intel 80486 | Intel 8051 |
| Intel 8080 | Intel 8085 | Intel 8086 |
| Intel 8088 | Intel 80x86 | Intel 8751 |
| Intel Comparative Microprocessor Performance index | Intel Corporation | IntelDX4 |
| Intel i960 | INTELLECT | intellectual property |
| intelligent backtracking | intelligent database | Intelligent Input/Output |
| Intelligent I/O | intelligent key | intelligent terminal |
| IntelliMouse | Intel Literature Sales | Intelsat |
| Intel x86 | intensional | Intent to Package |
| INTERACTIVE | interactive | Interactive and Batch EXecutive |
| Interactive CourseWare | Interactive Data analysis Language | Interactive Data Entry/Access |
| Interactive Data Language | Interactive Development Environment | Interactive Development Environments |
| Interactive Software Engineering | Interactive System Productivity Facility | Interactive Voice Response |
| Interagency Interim National Research and Education Network | InterBase | INTERCAL |
| Interchange File Format | INTERCOM | Interdata |
| Interest Group in Pure and Applied Logics | interesting | inter-exchange carrier |
| interface | interface analysis | Interface Architect |
| Interface Definition Language | Interface Description Language | Interface Message Processor |
| Interior Gateway Protocol | interlace | interlaced image |
| interlacing | Interlan | Interleaf |
| interleave | interleaving | INTERLINK |
| Interlisp | Interlisp-10 | Interlisp-D |
| Intermedia | Intermedia Interchange Format | intermediate code |
| Intermediate Distribution Frame | Intermediate Programming Language | Intermediate System |
| Intermediate System-Intermediate System | intermercial | Intermetrics, Inc. |
| intermodulation distortion | internal field separators | Internal Translator |
| International Algebraic Language | International Atomic Time | International Business Machines |
| International Computers Limited plc | International Core War Society | International Data Encryption Algorithm |
| International Electrotechnical Commission | International Federation for Information Processing | International Function Point Users Group |
| internationalisation | internationalization | International Multimedia Teleconferencing Consortium |
| International Olympiad in Informatics | International Organisation for Standardisation | International Organization for Standardization |
| International Phonetic Alphabet | International Programmable Airline Reservation System | International Smalltalk Association |
| International Standard | International Telecommunications Union | International Traffic in Arms Regulation |
| Internaut | Internet | Internet Access Provider |
| Internet Adapter | Internet address | internet address |
| Internet Architecture Board | Internet Assigned Numbers Authority | Internet backbone |
| Internet Chess Server | Internet Control Message Protocol | Internet Corporation for Assigned Names and Numbers |
| Internet-Draft | Internet Engineering and Planning Group | Internet Engineering Steering Group |
| Internet Engineering Task Force | Internet Experiment Note | Internet Explorer |
| Internet Express | Internet Foundation Classes | Internet Go Server |
| Internet Group Management Protocol | Internet Information Server | Internet Inter-ORB Protocol |
| Internet Message Access Protocol | Internet Monthly Report | Internet Network Information Center |
| internet number | Internet Open Trading Protocol | Internet Protocol |
| Internet Protocol Control Protocol | Internet Protocol version 4 | Internet Protocol version 6 |
| Internet provider | Internet Public Library | Internet Registry |
| Internet Relay Chat | Internet Research Steering Group | Internet Research Task Force |
| Internet Security Association and Key Management Protocol | Internet Server Application Programming Interface | Internet Service Provider |
| Internet Society | Internet Telephony | Internet Telephony Service Providers |
| internetworking | Internetwork Packet eXchange | Internet Worm |
| Internex On-Line | InterNIC | interoperability |
| interoperable database | inter-packet gap | interpolation |
| Interpress | interpreted | interpreter |
| Interpretive Menu Processor | Inter-process Communication | interrupt |
| interrupt handler | interrupt list | interrupt priority level |
| interrupt request | interrupts | Intersil 6100 |
| Intersil 6120 | interstitial | Intertec |
| interupt | interval | InterViews |
| interworking | intranet | Intrinsics |
| introspection | introspection annotation | Intrusion Countermeasure Electronics |
| Intrusive Testing | Intuition | intuitionism |
| intuitionistic logic | intuitionistic probability | intuitionist logic |
| invariant | inverse | Inverse Address Resolution Protocol |
| inverse comment convention | inverted index | invoking a method |
| InWorld VR | IO | io |
| I/O | IOI | Iomega Corporation |
| I-OOA | I/O redirection | IOS |
| Iota | IOT&E | IOW |
| IP | IPA | iPad |
| IP address | IPARS | I-Pay |
| IPC | ipconfig | IPCP |
| IPE | Iperf | IPL |
| IP next generation | IPng | IP number |
| IPS | IPSE | IPsec |
| IPT | IP Telephony | IPv4 |
| IPv6 | IPX | IPXCP |
| IQ | iq | IQL |
| IR | ir | IrBUS |
| IRC | ircop | IRC penis war |
| IrDA | IrDA-C | IrDA Control |
| IrDA Data | IRDATA | IRDP |
| IRDS | IRET | IRIS |
| Iris | IRISA | IRIS Explorer |
| IRIX | IRL | IRM |
| iron | Iron Age | iron box |
| Ironman | ironmonger | IRQ |
| irrational number | irrefutable | IRSG |
| IRTF | IRUS | Irvine Dataflow |
| Irvine Research Unit in Software | IS | is |
| IS-11172 | IS-13818 | ISA |
| Isabelle | Isabelle-92 | Isabelle-93 |
| ISA bus | ISAKMP | ISAM |
| ISAPI | ISAPI filter | ISBL |
| ISDE | ISDN | ISE |
| ISEE | I see no X here. | ISETL |
| ISF | ISINDEX | ISIS |
| IS-IS | ISL | ISLisp |
| ISMAP | ISO | ISO 10646 |
| ISO 3166 | ISO 639-1 | ISO 639-2 |
| ISO 8072 | ISO 8073 | ISO 8208 |
| ISO 8326 | ISO 8327 | ISO 8485 |
| ISO 8613 | ISO 8649 | ISO 8650 |
| ISO 8805 | ISO 8807 | ISO 8822 |
| ISO 8823 | ISO 8825 | ISO 8859 |
| ISO 8859-1 | ISO 8879 | ISO 9000 |
| ISO 9072 | ISO 9660 | ISO 9735 |
| ISOC | ISO C | isochronous |
| isochronous transfer | ISODE | ISO Development Environment |
| ISO/IEC 10646-1 | ISO/IEC 26300 | isolated |
| ISO Latin 1 | isometric joystick | isometry |
| isomorphic | isomorphism | isomorphism class |
| ISO Pascal | ISO seven layer model | ISP |
| ISPBX | ISPF | ISPL |
| ISPS | IST | ISTAR |
| ISTM | ISV | ISWIM |
| IT | it | ITAR |
| Iterated Function System | iteration | iterative deepening |
| iterator | Iternet | IT governance |
| ITHACA | ITIL | ITP |
| ITS | it's a feature | ITSP |
| ITU | ITU-T | ITU-T X.680 |
| ITU X.209 | Ivan | Ivan Sutherland |
| Iverson's Language | IVR | ivs |
| IVTRAN | IV&V | IVY |
| IWay | IWBNI | IXC |
| IXI Limited | IXO | IYFEG |
| J | J2EE | J2ME |
| J2SE | J3 | J73 |
| jabber | JACAL | jaccl |
| jack in | Jack Kilby | Jackson method |
| Jacquard, Joseph-Marie | Jacquard loom | JAD |
| JADE | Jade | jadeTeX |
| JAffer's Canonical ALgebra | jaggies | JaM |
| jam | James Clark | James' DSSSL Engine |
| James Gosling | James H. Clark | JAM Programming Language |
| JANET | JANET IP Service | Janus |
| japh | jar | jargon |
| Jargon File | Java | Java 2 |
| Java 2 Platform | Java 2 Platform, Enterprise Edition | Java 2 Platform, Micro Edition |
| Java 2 Platform, Standard Edition | Java 2 SDK | Java 2 Software Development Kit |
| Java archive | JavaBeans | Java Community Process |
| Java Database Connectivity | Java Development Kit | Java Message Service |
| Java Native Interface | Java Open Language Toolkit | Java Remote Method Protocol |
| Java Run-Time Environment | JavaScript | JavaScript Object Notation |
| Java servelet | JavaServer Faces | JavaServer Pages |
| Java servlet | Java Servlet Development Kit | Java Virtual Machine |
| Java VM | JAZ | Jaz |
| Jaz Drive | JAZELLE | JBIG |
| JBOD | JBOPS | jc |
| JCL | JCOOL | JCP |
| JCS-13 | JDBC | JDK |
| JEAN | Jean E. Sammet | Jean-Maurice-Émile Baudot |
| JEDR | Jef Raskin | Jenga Code |
| Jenkins | Jerry Sussman | JES |
| JES2 | JES3 | JFCL |
| JFDI | JFET | JFGI |
| JFIF | jiffy | Jim Clark |
| Jini | JIPS | JIT |
| jitter | JK flip-flop | jm |
| J.M.E. Baudot | JMHO | JMS |
| JNI | JNT Association | jo |
| job | Job Control Language | Job Entry System |
| Jobs | job security | jock |
| joe | joe code | John Atanasoff |
| John Gilmore | John Mauchly | John McCarthy |
| Johnniac | JOHNNIAC Open Shop System | John Ousterhout |
| John Tukey | John Vincent Atanasoff | John von Neumann |
| join | Joint Academic NETwork | Joint Bi-level Image Experts Group |
| Joint Photographic Experts Group | Joint Technical Committee | Joint Test Action Group |
| Joliet | jolix | JOLT |
| Jonathan's Own Version Of Emacs | Jon Postel | JOOP |
| Joseph-Marie Jacquard | Josephson Junction | JOSS |
| Jossle | journal | journalling |
| jove | JOVIAL | Joy |
| Joyce | joystick | Joy, William |
| jp | JPEG | JPEG-2000 |
| JPEG File Interchange Format | jpg | JPL |
| JPLDIS | J. Presper Eckert | J. Random |
| J. Random Hacker | JRE | JRL |
| JRMP | JS | JSA |
| JSDK | JSF | JSON |
| JSP | JSTL | JTAG |
| JTB | JTC | JTC1/SC24 |
| JTS | juggling eggs | Jughead |
| juice jacking | jukebox | jump |
| jumper | jump off into never-never land | jump trace buffer |
| Junction FET | Junction Field Effect Transistor | Juno |
| jupiter | Just a Bunch Of Disks | just-in-time |
| JVM | Jym | K |
| K5 | K56flex | K6 |
| K7 | KA9Q | KADS |
| kahuna | Kaleidoscope | Kali |
| kamikaze packet | Kamin's interpreters | kana |
| kangaroo code | kanji | KAOS |
| KAP | Karel | katakana |
| Katmai New Instructions | KB | KBMS |
| kbps | KBS | KC-85/1 |
| KC85/2 | KC85/3 | KC85/4 |
| KCL | ke | KEE |
| keep-alive | Keldysh Institute of Applied Mathematics | ken |
| Kent Applicative Operating System | Ken Thompson | Kent Recursive Calculator |
| Kerberos | Kermit | kern |
| kernal | kernel | Kernel Parlog |
| kernel style | Kernel User Interface Package | kerning |
| Kevo | key | keyboard |
| Keyboard Commando | keyboard plaque | Keyboard Send Receive |
| Keyboard Video Mouse | Keyed-Hashing Message Authentication | Keyed Sequenced Data Set |
| key escrow | key field | key frame |
| keylogger | KeyNote Software | keypad |
| keypal | KeySpell | keyword |
| keyword in context | KFX | kg |
| kgbvax | kh | Khornerstone |
| Khwarizmi | ki | kibibyte |
| KIBO | kiboze | kick |
| kicking dead whales down the beach | Kid | KIDASA Software |
| killer micro | killer poke | kill file |
| kilo- | kilobaud | kilobit |
| kilobits per second | kilobyte | kiloflops |
| kiosk | KIPS | KIS |
| KISS | KISS Principle | kit |
| KL0 | KL1 | Klamath |
| KLB | Kleene closure | Kleene star |
| Kleene, Stephen Cole | Klerer-May System | KLOC |
| klone | KL-ONE | kludge |
| kluge | kluge around | km |
| KMODEL | KMS | kn |
| knapsack problem | KNI | Knights of the Lambda-Calculus |
| knowbot | Knowbot Information Service | knowledge |
| Knowledge Analysis and Design System | knowledge base | knowledge-based system |
| knowledge level | Knowledge Management System | Knowledge Query and Manipulation Language |
| knowledge representation | Knowledge Sharing Effort | Knowledge Systems Laboratory |
| Known Lazy Bastard | Knuth | Kodak |
| Kohonen | KOMPILER | Konrad Zuse |
| Korf, Richard | Korn Shell | kp |
| KQML | KR | kr |
| K&R | KRC | K&R C |
| kremvax | KRL | KRS |
| K&R style | KRYPTON | ksh |
| KSL | KSR | KTH |
| kthx | KUIP | Kungliga Tekniska Högskolan |
| KUTGW | Kvatro Telecom AS | Kvikkalkul |
| KVM | kw | KWIC |
| ky | Kyoto Common Lisp | kyrka |
| kz | L0 | L0pht |
| l10n | L1 cache | L2 cache |
| L2CAP | L2TP | L6 |
| la | label | label edge router |
| Label Forwarding Information Base | label switched path | label switching |
| Label Switching Router | Lab for Computer Science | Laboratoire lorrain de recherche en informatique et ses applications |
| Laboratory INstrument Computer | Laboratory Virtual Instrument Engineering Workbench | LaborNet |
| Labtech Notebook | LabVIEW | Lace |
| lace card | ladder logic | LADY |
| lag | Lakota | LALR |
| lalr.ss | Lambada-Calculus | LAMBDA |
| lambda abstraction | lambda-calculus | lambda expression |
| lambda lifting | LambdaMOO | Lambda Prolog |
| lamer | LAMINA | lamp-post error |
| LAN | LAN administrator | LANCE |
| language | language-based editor | language code |
| Language for Communicating Systems | Language for the On-Line Investigation and Transformation of Abstractions | Language H |
| language lawyer | Language Of Temporal Ordering Specification | Language Sensitive Editor |
| language-sensitive editor | languages of choice | Laning and Zierler |
| Lan Kanal Adapter | LANL | Lan Manager |
| LANtastic | LAP | LAP4 |
| LAPB | LAPD | LAPM |
| LAPSE | laptop | laptop computer |
| LaQuey | Larch | Larch/C++ |
| LARCH/CLU | Large Installation Systems Administration | Larry Wall |
| LART | larval stage | lase |
| laser | laser printer | Lasherism |
| last call optimisation | last-in first-out | LAT |
| latch | latency | LaTeX |
| Latin 1 | lattice | LAU |
| laundromat | LAURE | LAVA |
| law | LAWN | Lawrence Livermore Labs |
| Lawrence Livermore National Laboratory | LAX | layer |
| layer 1 | layer 2 | layer 3 |
| layer 4 | layer 5 | layer 6 |
| layer 7 | Layer Two Tunneling Protocol | laziness |
| lazy evaluation | lazy list | Lazy SML |
| lazy sml2c | Lazy Standard ML | lb |
| LBA | LBE | LBL |
| LBX | lc | LCC |
| lcc | LCD | LCF |
| LCL | lclint | LCP |
| LCS | ld | LDAP |
| LDB | LDL | LDL1 |
| LDP | LDT | LE/1 |
| leading | LEAF | leaf |
| Leaf Distribution Limited | leaf site | League for Programming Freedom |
| leak | leaky heap | Lean |
| LEAP | leapfrog attack | leap second |
| learning curve | leased line | least fixed point |
| least recently used | least significant bit | least upper bound |
| leaves | LEC | LECOM |
| LED | LEDA | Leda |
| LED page printer | LED printer | leech |
| leet | left arrow | left brace |
| left bracket | left join | left outer join |
| left parenthesis | LeFun | legacy |
| legacy code | legacy software | legacy system |
| legal | legalese | LEGOL |
| Le-Lisp | lemma | Lempel-Ziv compression |
| Lempel-Ziv Welch compression | Lenat, Doug | lenient evaluation |
| LEO | Leo | LER |
| LERP | less than | LessTif |
| let floating | letterbomb | level 1 cache |
| level 2 cache | LEVEL5 OBJECT | level one cache |
| level-sensitive scan design | level two cache | Lex |
| lexeme | lexer | lexical analyser |
| lexical analysis | lexical scope | lexical scoping |
| lexiphage | LF | LFIB |
| LG | LGDF | LGEN |
| LGN | lha | LHARC |
| lhs | li | Liana |
| Liar | liar paradox | lib |
| libg++ | library | Library of Efficient Data types and Algorithms |
| librery | LIDO | LiE |
| LIF | life | life-cycle |
| LIFIA | LIFO | lifted domain |
| LIGHT | light client | light-emitting diode |
| light-emitting resistor | light pen | light pipe |
| light-weight | Lightweight Directory Access Protocol | light-weight process |
| like kicking dead whales down the beach | like nailing jelly to a tree | like this |
| Lila | Lilith | LILLIAC IV |
| lilo | Lily | LIMDEP |
| LIM EMS | LIMP | Linc |
| Lincoln Reckoner | LINCtape | Linda |
| LindaLISP | line | line 666 |
| linear address space | linear argument | linear assignment |
| linear function | Linear Graph Notation | linear logic |
| linear map | linear programming | linear space |
| linear topology | linear transformation | linear type |
| line conditioning | line eater | line editor |
| line feed | line noise | line printer |
| line probing | lines of code | lines per minute |
| line starve | Lingo | LINGOL |
| link | Link Access Procedure on the D channel | Link Access Protocol Balanced |
| Link Access Protocol for Modems | linkage editor | Link Control Protocol |
| link-dead | link editor | linked list |
| linker | link farm | link loader |
| link rot | links | Link State Routing Protocol |
| LINPACK | lint | Linux |
| Linux Documentation Project | Linux Loader | Linux Network Administrators' Guide |
| Linux User Group | lion food | Lions Book |
| LIPL | liquid crystal display | LIS |
| LISA | Liskov, Barbara | Liskov substitution principle |
| Lisp | LISP 1 | LISP 1.5 |
| LISP 2 | LISP70 | LISP A |
| LISP Extended Algebraic Facility | Lispkit | Lispkit Lisp |
| Lisp-Linda | Lisp Machine | LISP Machine LISP |
| Lisp Object-Oriented Programming System | LISP, Objects, and Symbolic Programming | Lisptalk |
| LispView | list | list comprehension |
| List Enhanced | listless | Listproc |
| lists | Listserv | Liszt |
| lite | literal | literate programming |
| literature | LITHE | lithium lick |
| LitProg | LITTLE | little-endian |
| Little Smalltalk | live data | Live Free Or Die! |
| livelock | LiveScript | liveware |
| lk | LKA | LL |
| LLC | LLGen | LLM3 |
| LLNL | LLP | LM3 |
| LMAO | LMDS | lmgtfy.com |
| LML | LM-Prolog | LMTP |
| LNF | LO | L&O |
| load | load balancing | load-bearing printf |
| lobotomy | LOC | local area network |
| Local Area Terminal | local bus | locale |
| local echo | local exchange carrier | localisation |
| localised | locality | local loop |
| local loopback addresses | Local Mail Transfer Protocol | Local Multipoint Distribution System |
| locals | Local Shared Resources | LocalTalk |
| local variable | location | Loch Ness Monster Bug |
| locked and loaded | locked up | lock-in |
| Locus | Loebner Prize | log |
| logarithmus dualis | LogC | logic |
| logical | logical address | Logical Block Addressing |
| logical complement | Logical Interchange Format | Logical Link Control |
| Logical Link Control and Adaptation Protocol | logical relation | logical shift |
| logical shift left | logical shift right | Logical Unit |
| Logical Unit 6.2 | Logical Unit Number | logic bomb |
| Logic Design Language | logic emulator | Logic for Computable Functions |
| logic gate | logic programming | Logic Replacement Technology |
| logic variable | LOGIN | log in |
| LOGISCOPE | Loglan | Loglan'82 |
| Loglan-88 | LOGLISP | LOGO |
| log off | LOGOL | logon |
| log out | Lojban | LOL |
| LOLITA | Lolli | LOM |
| longitudinal parity | Longitudinal Redundancy Check | LOOK |
| Look Ahead Left-to-right parse, Rightmost-derivation | Look ahead LR | look and feel |
| Looking Glass | LOOKS | loop |
| loop-and-a-half | loop combination | loop fusion |
| LOOPN | LOOPS | loop through |
| loose bytes | LOP | lord high fixer |
| Lore | Lorem ipsum | Lorenz attractor |
| LORIA | lose | loser |
| losing | loss | lossage |
| lossless | lossless audio compression | Lossless Predictive Audio Compression |
| lossy | lossy audio compression | lost in the noise |
| lost in the underflow | LOTIS | LOTOS |
| lots of MIPS but no I/O | Lotus 1-2-3 | Lotus Development Corporation |
| Lotus Notes | Lotus Notes Formula Language | LotusScript |
| loudspeaker | Lout | love |
| low-bandwidth | Low Bandwidth X | low earth orbit |
| Lower Layer Protocol | lower set | Low Insertion Force |
| LOWL | low-level language | low pass filter |
| Low Voltage Differential | LPAC | LPC |
| LPF | LPG | LPI |
| LPL | lpm | LP MUD |
| lpr | LPS | lp spooler |
| LPT | lr | LRC |
| LRLTRAN | LRU | ls |
| LSA | LSB | LSE |
| LSL | LSML | L-Soft |
| LSP | LSR | LSSD |
| LSYD | lt | LT-2 |
| LTL | LTPS | LTR |
| LTR3 | lu | LU6.2 |
| lub | Lubarsky's Law of Cybernetic Entomology | Lucent Technologies |
| LUCID | Lucid Emacs | Lucinda |
| Lucy | LUG | luminance |
| lump uncurrying | LUN | lunatic fringe |
| Lund Simula | Lund Software House AB | lurk |
| lurker | lurking | luser |
| Luser Attitude Re-adjustment Tool | LUSTRE | lv |
| lvalue | LVD | LWP |
| ly | LYaPAS | Lycos |
| lylafklc | lynix | LYNX |
| Lynx | LynxOS | Lynx Real-Time Systems |
| LYRIC | LZ77 compression | LZ78 compression |
| LZ compression | lzexe | lzh |
| LZH compression | LZW compression | M |
| m2 | M2toM3 | M3 |
| m4 | M5 | ma |
| MAC | Mac | Mac-1 |
| MAC-360 | MACA | MAC address |
| MACAnalyst | Macaulay | MacBinary |
| MACDesigner | macdink | MACE |
| Mach | Machiavelli | machinable |
| machine | machine code | machine cycle |
| MAchine INdependent SAIL | machine instruction | machine language |
| machine learning | Mach Interface Generator | machoflops |
| Mac II | Mac IIcx | Macintosh |
| Macintosh Common Lisp | Macintosh file system | Macintosh II |
| Macintosh IIcx | Macintosh Operating System | Macintosh user interface |
| Macintoy | Macintrash | MACL |
| MacLisp | MacMinix | Mac OS |
| Mac OS X | Mac Playmate | MacPPP |
| MACRO | macro | macro- |
| macrology | Macromedia | macro preprocessor |
| Macro SAP | macrotape | MACSYMA |
| MacTCP | MacX | MAD |
| Mad/1 | Madaline | MADCAP |
| MADTRAN | maggotbox | MAGIC |
| magic | magic bullet | magic cookie |
| magic number | Magic Paper | magic smoke |
| Magic Switch Story | Magma | Magma2 |
| MagmaLISP | magnetic disk | Magnetic Ink Character Recognition |
| magnetic stripe | magnetic tape | magnetic tape drive |
| magneto-optical disk | magneto-optical drive | magnetostrictive delay line |
| MAGNUM | Magritte | mail |
| Mail Application Programming Interface | mail bomb | mailbox |
| mail bridge | mail exchanger | Mail Exchange Record |
| mail exploder | mail filter | mail gateway |
| mail hub | mailing list | mail merge |
| mail path | mail server | Mail Transfer Agent |
| Mail Transport Agent | mail user agent | Mail Users' Shell |
| main | MAINBOL | Main Distribution Frame |
| mainframe | mainframe programmer/analyst | main loop |
| main memory | MAINSAIL | main store |
| maintainer | maintainer script | maintenance |
| Maisie | major delivery | Majordomo |
| major release | Make | Makedoc |
| makefile | Maker Interchange Format | MAL |
| Malamud | MALI | mall |
| malloc | malware | malware as a service |
| MAN | man | managed code |
| management | Management Information Base | Management Information System |
| manager/html | Manager of Business Applications | Manchester Autocode |
| Manchester encoding | Mandala | Mandelbrot, Benoit |
| Mandelbrot set | mandelbug | Mandy Rice-Davis Applies |
| manged | mangle | mangler |
| mango | MANIAC | man-in-the-middle attack |
| man page | MANTIS | mantissa |
| manual testing | Manufacturer Resource Planning | Manufacturers Automation Protocol |
| Manufacturing Automation Protocol | manularity | Many Integrated Core Architecture |
| MAO | MAP | map |
| MAPI | Maple | mapping |
| marbles | Marc Andreessen | Margaret Hamilton |
| marginal | Marginal Hacks | Maril |
| marketroid | Mark I | Markov |
| Markov chain | Markov model | Markov process |
| Markowitz | mark-sweep garbage collection | markup |
| Marlais | Mars | Marseille Prolog |
| marshaling | marshalling | MARSYAS |
| Martian | Martin Marietta Laboratories Moorestown | MARVIN |
| Mary | MAS | MASCOT |
| Mask Read-Only Memory | MASM | MasPar Unity |
| masquerading | Massachusetts Institute of Technology | massage |
| Massey Hope | Massively Multiplayer Online Game | Massively Multiplayer Online Role-Playing Game |
| master | master boot record | Matchmaker |
| Material Requirements Planning | Mathcad | Mathematica |
| Mathematical Analysis without Programming | Mathematical Analyzer, Numerical Integrator and Computer | Mathematics in Recognizable Form Automatically Compiled |
| MathJax | MATHLAB | MATH-MATIC or MATHMATIC |
| math-out | MathWorks | MATLAB |
| Matrix | Matrix Compiler | MATRIX MATH |
| Matrix Math eXtensions | MAU | Mauchly, John W. |
| mawk | maximal free expression | maximin |
| MAXIMOP | maximum Maytag mode | maximum seek time |
| maximum segment size | Maximum Transmission Unit | Maxis Software |
| MB | MBASIC | Mbogo, Dr. Fred |
| MBONE | MBps | mbps |
| MBS | MC | mc |
| MC68000 | MC68010 | MC68020 |
| MC68030 | MC68040 | MC6809 |
| MCA | MCAD | MCC |
| McCulloch-Pitts neuron | MCDBA | MCDST |
| McG360 | MCGA | MCI |
| MCI Mail | MCL | M-Code |
| MCP | MCP-1600 | MCPD |
| MCS | MCSA | MCSD |
| MCSE | mcvax | mcvert |
| MD | md | MD5 |
| MDA | MDAC | MDCT |
| MDF | MDI | MDL |
| Mean Time Between Failures | Mean Time Between Faults | Mean Time To Recovery |
| measure | measurement | meatspace |
| meatware | media | Media Access Control |
| Media Access Unit | Media Converter | Media Gateway Control Protocol |
| Medium Access Control | meeces | Meet |
| meg | mega- | megabits per second |
| megabyte | megabytes per second | megaflop |
| megaflops | MegaHertz | megapenny |
| MEGO | Mei | Mel |
| MELD | MELDC | Melinda |
| Mel Kaye | Mellor | meltdown |
| Melvin Conway | member function | membership function |
| meme | meme plague | memetic algorithm |
| memetics | Memex | memo function |
| memoisation | memoised function | memoization |
| memoized function | memory | memory address space |
| memory dump | memory farts | memory leak |
| memory location | memory management | Memory Management Unit |
| memory mapped I/O | memory protection | memory smash |
| Memory Type Range Registers | MEMS | Mentat |
| MENTOR | menu | menu bar |
| menuitis | MENYMA/S | Mercury Autocode |
| mercury delay line | MERISE | Merlin |
| MEROON | Mesa | mesh |
| MESI protocol | message | message board |
| Message Digest 5 | message digest function | Message Handling System |
| message passing | Message Passing Interface | message switching |
| Message Transfer Agent | Message Transport Agent | Messaging Application Programming Interface |
| Messaging Applications Programming Interface | mess-dos | META |
| meta | META 5 | meta bit |
| MetaCard | Meta-CASE tool | metaclass |
| Meta Class System | Meta-Crystal | metadata |
| Metadata Information Partners | META element | metafile |
| METAFONT | metaheuristic | Meta-II |
| metainformation | Meta-IV | METAL |
| metalanguage | Metal Oxide Semiconductor | Metal Oxide Semiconductor Field Effect Transistor |
| metaphone | metaprogram | metasyntactic variable |
| metasyntax | META tag | Meta-Vlisp |
| Met-English | METEOR | meter |
| method | method invocation | methodology |
| Methods | me too | metre |
| metric | metric space | Metropolitan Area Network |
| M-expression LISP | MFC | MFE |
| MFLOPS | MFM | MFTL |
| mg | MGCP | mh |
| MHDL | MHEG | MHS |
| MHz | MIB | MIB Variable |
| MIC | Mic-1 | Mic-2 |
| MICE | mice | Michigan Algorithm Decoder |
| mickey | mickey mouse program | MICR |
| micro | micro- | microarray |
| Micro Assembly Language | microcentury | Micro Channel Architecture |
| microchip art | microcode | Microcom Networking Protocol |
| microcomputer | microcontroller | MicroDroid |
| microelectromechanical system | Microelectronics and Computer Technology Corporation | MicroEmacs |
| microfloppies | microfortnight | MicroGnuEmacs |
| Micro Instrumentation and Telemetry Systems | Micro Interpreter for Knowledge Engineering | microkernel |
| microLenat | microlog | micrometre |
| Micro ML | Micron | micron |
| Micron Electronics, Inc. | Micronetics Standard MUMPS | Micro$oft |
| microperation | microphone | microPLANNER |
| microprocesor | microprocessor | Microprocessor without Interlocked Pipeline Stages |
| microprogramming | microReid | MICRO SAINT |
| microsecond | Microserf | Microslop |
| Microsloth Windows | Microsoft | Microsoft Access |
| Microsoft Basic | Microsoft Certified Application Developer | Microsoft Certified Database Administrator |
| Microsoft Certified Desktop Support Technician | Microsoft Certified Professional Developer | Microsoft Certified Solution Developer |
| Microsoft Certified System Engineer | Microsoft Certified Systems Administrator | Microsoft Certified Systems Developer |
| Microsoft Corporation | Microsoft Data Access Components | Microsoft Disc Operating System |
| Microsoft Disk Operating System | Microsoft DOS | Microsoft Excel |
| Microsoft Exchange | Microsoft Extended | Microsoft Foundation Classes |
| Microsoft IIS | Microsoft IntelliMouse Explorer | Microsoft Internet Information Server |
| Microsoft Mail | Microsoft Mail Application Program Interface | Microsoft Network |
| Microsoft Networking | Microsoft Office | Microsoft Office Small Business Edition |
| Microsoft Point to Point Encryption | Microsoft Project | Microsoft SQL Server |
| Microsoft Windows | Microsoft Word | MicroStation |
| microtape | Microware Corporation | Microwave Hardware Description Language |
| MIDAS | Midas | Midas-WWW |
| middle-endian | middleware | MIDI |
| mid-level network | MIF | MIG |
| MIGRAINES | MII | MIIS |
| MIKE | mil | Milarepa |
| MILITRAN | mill | millennium bug |
| millennium meltdown | milli- | millihelen |
| milliLampson | millisecond | MILNET |
| MIMD | MIME | mimencode |
| Mimer SQL | MIME type | MIMIC |
| MIMOLA | mind mouse | mind uploading |
| Minerva software | Minesweeper, Chess, Solitaire Expert | minicomputer |
| Mini Disc | minifloppy | minimal automaton |
| minimax | Mini-ML | minimum seek time |
| Mini PL/I | Ministra | MINITAB II |
| MINIX | Minnesota Internet Users Essential Tool | MINT |
| MiNT | Mint Is Not TRAC | Minuet |
| MINUIT | minus | minus infinity |
| MIPS | MIPS project | MIPS R2000 |
| MIPS R2010 | MIPS R3000 | MIPS R4000 |
| MIPS Technologies, Inc. | Miracula | Miranda |
| MIRFAC | mirror | mirroring |
| mirror site | MIS | misbug |
| MIS Director | misfeature | MISHAP |
| Missed'em-five | missile address | missing |
| miswart | MIT | MIT AI Lab |
| MITI | MITILAC | MIT Licence |
| MIT License | MIT Lisp Machine | MITRE Corporation |
| MIT Research Laboratory for Electronics | MITS | MIT Scheme |
| MIX | MIXAL | MIX Communications |
| M-JPEG | MJS | mk |
| ML | ml | ML-2000 |
| MLAB | ML/I | MLISP |
| ML Kit | MLL | ML-lex |
| ML-Linda | ML Threads | ML-Twig |
| mm | Mma | mmap |
| MMCD | MMDF | MMI |
| MML | MMO | MMOG |
| MMORPG | MMS | MMU |
| MMX | MMX technology | mn |
| mnemonic | MNP | mo |
| Mobile Subscriber Integrated Services Directory Number | Mobile Triton | mobo |
| MOBSSL-UAF | moby | mockingbird |
| Mockingboard | Mock Lisp | mod |
| mod_autoindex | modal | modal logic |
| modam | MODCAL | Mode |
| mode | mode bit | MODEF |
| MODEL | model | model checking |
| modeling | modeling language | modelling |
| modelling language | Modelsim | Model-View-Controller |
| Model-View-Presenter | modem | MODEM7 |
| moderator | Modified Frequency Modulation | modifier |
| M O drive | MODSIM | MODSIM II |
| Modula | Modula-2 | Modula-2* |
| Modula-2+ | Modula-3 | Modula-3* |
| Modula-3pi | Modula-P | Modula-Prolog |
| Modula/R | modular arithmetic | Modular C |
| MODUlar LAnguage | Modular Prolog | Modular SB-Prolog |
| module | Modulex | modulo |
| modulo arithmetic | modulo operator | Mohammed Al-Khawarizmi |
| molly-guard | monad | monadic |
| Mongolian Hordes technique | moniter | monitor |
| monkey, scratch | monkey sort | monkey up |
| Mono | monochrome | Monochrome Display Adapter |
| monoid | monotonic | MONSTR |
| Montage | Monte Carlo | monty |
| MOO | Moof | Moore bound |
| Moore graph | Moore's Law | moose call |
| MooZ | Mops | MORAL |
| more | moria | morphing |
| Morse code | MORTRAN | MOS |
| Mosaic | Mosaic Communications Corporation | Moscow ML |
| MOSFET | Mosiac | MOS Technologies |
| MOS Technology | most general unifier | Most Significant Bit |
| motd | mother | motherboard |
| Motif | Motion JPEG | Motion Picture Experts Group |
| Motorola | Motorola 14500B | Motorola 6800 |
| Motorola 68000 | Motorola 6801 | Motorola 68010 |
| Motorola 68020 | Motorola 68030 | Motorola 68040 |
| Motorola 68050 | Motorola 68060 | Motorola 6809 |
| Motorola 680x0 | Motorola 68HC11 | Motorola 68LC040 |
| Motorola 88000 | Motorola, Inc. | mount |
| Mouse | mouse | mouse ahead |
| mouse around | mouse arrest | mouse belt |
| mouse droppings | mouse elbow | mouse mat |
| mouse pad | mouse trails | mouso |
| Moving JPEG | Moving Picture Expert Group | Moving Picture Experts Group |
| Moving Pictures Experts Group | Moxie | Mozilla |
| Mozilla Foundation | Mozilla Public License | mp |
| MP1 | MP-1 | MP2 |
| MP3 | MP3Pro | MPC |
| MPC Level 1 Specification | MPC Level 2 Specification | MPEG |
| MPEG-1 | MPEG-1 audio layer 1 | MPEG-1 audio layer 3 |
| MPEG-1 layer 3 | MPEG-2 | MPEG-21 |
| MPEG-2.5 audio layer 3 | MPEG-2 AAC Low Profile | MPEG-2 audio layer 3 |
| MPEG-2 Low Sampling Frequencies Extention | MPEG-2 LSF | MPEG-2 MC |
| MPEG-2 Multi Channel Extention | MPEG-3 | MPEG-4 |
| MPEG-4 AAC Main Profile | MPEG-4 AAC SSR | MPEG-4 Advanced Audio Coding Scalable Sampling Rate |
| MPEG-4 Harmonics, individual lines and noise | MPEG-4 Harmonic Vector eXCitation | MPEG-4 HILN |
| MPEG-4 HVXC | MPEG-7 | MPEGplus |
| MPG | mpg | MPI |
| MPL | MPL II | MPLS |
| MPLS domain | MP/M | MPP |
| MPPE | MPPL | MPR II |
| M-Prolog | MPS III | MPSX |
| MPV | MPX | mq |
| MQG | mr | MRAM |
| MRDA | MRDS | MRI |
| MROC | MROM | MRP |
| MRP II | MRS | ms |
| MS Access | MSAU | MSB |
| MS-BASIC | MS-DOG | MS-DOS |
| MSG.84 | msgGUI | MSIE |
| MSM | MS Mail | MSN |
| MS Office | MS Project | MSS |
| MS-Windows | MswLogo | MS Word |
| MSX | MSX-DOS | mt |
| MTA | MTBF | mtc |
| M Technology Association | MTOS | MTS |
| MTTR | MTU | Mu |
| mu | MUA | MUCAL |
| MUD | muddie | Muddle |
| mudhead | MUD Object Oriented | muFP |
| Muhammad al-Khwarizmi | Muhammad ibn Musa al-Khwarizmi | Muieblackcat |
| mu-law | Mule | Mul-T |
| Multi-BinProlog | multiboot | multiC |
| MultiCal System | multicast addressing | multicast backbone |
| Multi-channel Memorandum Distribution Facility | multician | Multi-Color Graphics Array |
| Multics | Multics Relational Data Store | Multiflow Computer |
| Multi-Garnet | multihomed host | multilayer perceptron |
| MultiLisp | multimedia | Multimedia and Hypermedia information coding Expert Group |
| MultiMedia Compact Disc | MultiMedia Extension | Multimedia Integrated Conferencing for European Researchers |
| Multimedia Internet Mail Extensions | Multimedia Messaging Services | Multimedia PC |
| Multimedia Personal Computer | multimedia system | multi-part key |
| Multi-Pascal | multiple access | Multiple Access with Colision Avoidance |
| multiple boot | Multiple Document Interface | multiple inheritance |
| Multiple Instruction Multiple Data | Multiple Instruction/Multiple Data | Multiple Master |
| multiple perspective software development | multiple value | Multiple Virtual Storage |
| multiplexer | multiplexing | multiplexor |
| Multiplexor Channel | multiplex printer | Multipop-68 |
| multiprocessing | multiprocessor | multiprogramming |
| Multiprotocol Label Switching | Multipurpose Internet Mail Extensions | multiscan |
| MultiScheme | Multistation Access Unit | multisync |
| Multisystem eXtention Interface Bus | multitasking | Multi-tasking Program for Microcomputers |
| multithreaded | multithreading | MultiTOS |
| multi-user | Multi-User Dimension | Multi-User Dungeon |
| Multi-User Shared Hallucination | Multi-Version Concurrency Control | multi-way branch |
| MuMath | mumblage | mumble |
| mumble mode | MUMPS | munch |
| munching | munching squares | munchkin |
| mundane | mung | munge |
| MUP | MU-Prolog | Murphy's Law |
| Muse | museum | MUSH |
| Music | Musical Instrument Digital Interface | Musicam |
| MuSimp | MUSL | mutant |
| Mutation Testing | MuTeX | mutex |
| mutter | mutual exclusion | mutually recursive |
| mutual recursion | mux | mv |
| MV* | MVC | MVCC |
| MVP | MVS | MVS/ESA |
| MVS/OE | MVS/Open Edition | MVS/SP |
| MVS/XA | mw | MX |
| mx | MXI | MXIbus |
| MX Record | my | My Favourite Toy Language |
| MYOB | MySpace | MySQL |
| MySQL AB | MYSTIC | MZ |
| mz | N | N10 |
| na | nadger | NAG |
| Nagling Coalescence | nagware | nailed to the wall |
| nailing jelly | naive | naive user |
| NAK | name capture | named |
| named pipe | name resolution | name service switching |
| namespace | naming convention | NaN |
| NAND | nano- | nanoacre |
| nanobot | nanocomputer | nanofortnight |
| nanometre | nanosecond | nanotechnology |
| Napier | NAPLPS | NAPSS |
| narrowband | narrowing | NAS |
| nasal demons | NASI | nastistical |
| NASTRAN | nastygram | NAT |
| Nathan Hale | National Advanced Systems | National Bureau of Standards |
| National Center for Supercomputing Applications | national characters | National Database Language |
| National Information Infrastructure | National Information Services and Systems | National Institute of Standards and Technology |
| National Research and Education Network | National Science Foundation | National Science Foundation Network |
| National Semiconductor | National Semiconductor 32000 | National Software Reuse Directory |
| National Spatial Data Infrastructure | National Television Standards Committee | native compiler |
| Native Language System | NATURAL | natural deduction |
| Natural English | natural language | Natural Language Information Analysis Method |
| natural language processing | natural number | nature |
| NAU | nav bar | navigating |
| navigation | navigation bar | Navigator |
| Nawk | NB | NBFCP |
| NBS | NBT | NC |
| nc | NCD | NCP |
| NCR Corporation | NCRL | NCR Language |
| NCS | NCSA | ND |
| NDIS | NDL | NDS |
| ne | neat hack | neats vs. scruffies |
| Nebula | NEC | NEC 780-C |
| needs assessment | neep-neep | negation by failure |
| negative acknowledgement | neighborhood bike code | NELIAC |
| Neon | neophilia | Neptune |
| nerd | Nerd pride | NERECO |
| NESL | nested class | net |
| net.- | netaddress | NetBEUI |
| NetBIOS | NetBIOS Frames Control Protocol | NetBios over TCP/IP |
| NetBOLLIX | NetBSD | netbui |
| netburp | netCDF | Netcom On-line Communication Services, Inc. |
| netdead | Netfind | net.god |
| NetHack | netiquette | NETL |
| netlag | NetLingo | netload |
| Netmarq Limited | netmask | NetNanny |
| netnews | net.personality | netpipes |
| net.police | netquette | Netrek |
| netrock | Netscape | Netscape Communications Corporation |
| Netscape Navigator | Netscape Public License | netsplit |
| netstat | netter | NetWare |
| NetWare Core Protocol | Netware Directory Services | Netware Input/Output Subsystem |
| NetWare Link State Protocol | network | network address |
| Network Addressable Unit | Network Address Translation | Network Address Translator |
| Network Administrator | Network Application Support | Network Attached Storage |
| network byte order | network card | network closet |
| Network Computing Devices | network database | Network Definition Language |
| Network Device Interface Specification | network engineer | Network extensible Window System |
| Network File System | Network Filing System | Network Information Center |
| Network Information Service | Network Information System | networking |
| network interface card | network interface controller | network layer |
| network layer reachability information | network management | network meltdown |
| Network News Transfer Protocol | network node | Network Node Interface |
| network number | Network Operating System | network operating system |
| Network Operations Center | network operator | network redirector |
| network segment | Network Solutions, Inc. | network storm |
| Network Termination | network, the | Network Time Protocol |
| network topology | network transparency | NetX |
| Net:X | neural nets | neural network |
| neuron | Neutral Interconnect | neutrosophic |
| neutrosophic logic | neutrosophic probability | neutrosophic set |
| neutrosophic statistics | Neutrosophy | Never Offline |
| newbie | New Flavors | newgroup wars |
| New Jersey | newline | NEWP |
| NEW Programming language | NeWS | news |
| NewsClip | newsfroup | newsgroup |
| newsletter | Newspeak | Newsqueak |
| news reader | New Storage System | new talk |
| New Testament | Newton | Newton-Raphson iteration |
| Newton's method | NewWave | NewYacc |
| New York State Educational Reasearch ETwork | New York University | NEXOR |
| Nexpert Object | NeXT, Inc. | Next Program Counter |
| NEXTSTEP | nf | NFA |
| NFQL | NFR | NFS |
| NFT | ng | NGL |
| NHOH | ni | NIAL |
| NIAL Systems Ltd. | NIAM | nibble |
| Nibble Mode DRAM | NIC | NIC.DDN.MIL |
| NICE | nick | nickle |
| NICOL I | NIFOC | Nightmare File System |
| night mode | NIH | NIHCL |
| NII | NIKL | Niklaus Wirth |
| NIL | niladic | Ninety-Ninety Rule |
| Nintendo | NIOS | nipple |
| NIS | NISO | NISS |
| NIST | NJCL | nl |
| NLANR | NLM | NLP |
| NLRI | NLS | NLSP |
| NLX | NMI | nML |
| NMU | NN | nn |
| NNI | NNTP | no |
| NOC | NODAL | Nodal Switching System |
| noddy | node | Node.js |
| Node Package Manager | noise | noise margin |
| noise shaping | NOL | NOMAD |
| NOMEX underwear | Nominal Semidestructor | non-algorithmic procedure |
| non-constructive proof | nondeterminism | nondeterministic |
| nondeterministic automaton | nondeterministic polynomial time | Nondeterministic Turing Machine |
| non-impact printer | non-interlaced | nonintrusive testing |
| nonlinear | Non-Maintainer Upload | Non-Maskable Interrupt |
| non-optimal solution | Nonpareil | non parity |
| non-polynomial | Non Return to Zero Inverted | nontrivial |
| Non-Uniform Memory Access | non-uniform quantising logarithmic compression | Non-Uniform Rational B Spline |
| non-volatile | non-volatile memory | Non-Volatile Random Access Memory |
| non-volatile storage | noob | no-op |
| NOR | NORC COMPILER | NorCroft |
| NORD PL | NORDUnet | norm |
| normal distribution | normal form | normalisation |
| normalised | normal order reduction | normed space |
| northbridge | NorthWestNet | NOS |
| NOT | Not-a-Number | notebook |
| NoteCards | Notepad | Notes |
| Nother | not ready for prime time | notspot |
| notwork | Nova | Novell Data Systems |
| Novell DOS | Novell, Inc. | Novell NetWare |
| NOWEB | no-write allocation | NP |
| np | NPC | NP-complete |
| NP-hard | NP-hilarious | NPL |
| npm | NPPL | N-Prolog |
| NP time | NP tricky | NQS |
| Nqthm | nr | NREN |
| nroff | NRZ | NRZI |
| ns | NS16000 | NS32000 |
| NSA line eater | NSAPI | NSDI |
| NSE | NSF | NSFIP |
| NSFNET | NSI | nslookup |
| NSRD | NSS | NT |
| NT1 | NT5 | ntalk |
| NTAS | NT File System | NTFS |
| n-tier | NTIS | NTMBS |
| NTP | NTSC | NTU |
| nu | NuBus | nu-calculus |
| NUCLEOL | nude | nuke |
| null | nullary | null modem |
| null-terminated multibyte string | NUMA | Number 5 Electronic Switching System |
| number crunching | number keys | numbers |
| number sign | numeric keypad | Numeris |
| Nuprl | NU-Prolog | nurbs |
| Nu Thena | nut loose on keyboard | NUXI problem |
| NVL | NVRAM | NVS |
| NWNET | NYAP | nybble |
| nyet.gif | nyetwork | nym |
| nym server | Nyquist frequency | Nyquist Theorem |
| NYSERNET | NYU OMNIFAX | nz |
| O | O2 | Oaklisp |
| OAP | OASIS Open Document Format for Office Applications | OATH |
| Ob- | OBDC | OBE |
| Oberon | Oberon-2 | Oberon-V |
| OBEX | obfuscated | Obfuscated C Contest |
| obi-wan error | OBJ | OBJ0 |
| OBJ2 | OBJ3 | object |
| ObjectBroker | ObjectCenter | Object CHILL |
| object code | Object-code Buffer Overrun Evaluator | Object Compatibility Standard |
| Object Constraint Language | Object Database Management Group | Object Data Management Group |
| Objecteering | Object Exchange | objectfuscated code |
| object identifier | Objectionable-C | Objective C |
| Objective CAML | Objective Modula-2 | Objective PASCAL |
| Object Linking and Embedding | Object Lisp | ObjectLOGO |
| Object Management Group | Object management system | object method |
| Object Modelling Technique | Object Oberon | object-orientation |
| object-oriented | object-oriented analysis | object-oriented database |
| object-oriented design | Object-Oriented Fortran | object-oriented language |
| Object-Oriented Pascal | object-oriented polymorphism | object-oriented programming |
| object-oriented programming language | Object-oriented SQL | Object-Oriented Turing |
| Objectory | ObjectPAL | Object Pascal |
| Object Persistence Framework | object relational mapping | object relational modelling |
| Object Request Broker | Object Role Modeling | Object Value |
| Objectworks | Object Z | Objlog |
| OBJT | ObjVlisp | ObjVProlog |
| Obliq | oblique stroke | Oblog |
| OBOE | OBSCURE | observational equivalence |
| Oc | OC-12 | OC-3 |
| OC-48 | OCAL | occam |
| occam 2 | Occam's Razor | occlude |
| occurs check | OCL | OCLC |
| OC-n | OCODE | OCP |
| OCR | OCS | octal |
| Octave | octet | octothorpe |
| OCX | OD390 | ODA |
| ODBC | ODC | Ode |
| ODI | ODIF | ODMA |
| ODMG | odometry | ODP |
| ODS | ODSA | ODT |
| OEM | OFA | off-by-one error |
| Office | office automation | Office By Example |
| Office Workstations Limited | Official Production System | off-line |
| off-line world | offset | offshoring |
| off-side rule | off the trolley | ogg |
| Ogg Vorbis | OHCI | Ohm |
| Ohm, Georg Simon | ohnosecond | OIC |
| OID | OIL | OLAP |
| OLAP Council | OLC | OLDAS |
| old fart | old talk | Old Testament |
| OLE | OLE custom controls | OLE DB |
| OLE for Process Control | OLGA | Olivetti |
| O-Logic | OLTP | OLWM |
| om | OMA | Omega |
| Omega-algebraic | Omega test | OMF |
| OMG | OMNICODE | OMNIFAX |
| OMNITAB | OMR | OMS |
| OMT | OMTool | ONC |
| Ondine | one | one-banana problem |
| one-dimensional array | one-line fix | one-liner wars |
| ones complement | One-Time Password | One Time Programmable Read-Only Memory |
| one-way function | one-way hash function | on-line |
| On-Line Analytical Processing | Online Computer Library Center, Inc. | On-Line Computer system |
| Online Media | On-line Process Synthesizer | Online Public Access Catalog |
| On-Line Transaction Processing | Ontic | onto |
| ontology | OnX | OO |
| OOA | OOD | OODB |
| OODBMS | OOF | OOGL |
| OOo | OOP | OOPL |
| OOPS | OOPSLA | OOSD |
| OOZE | op | OPAC |
| Opal | OPC | op code |
| open | open box testing | open brace |
| OpenBSD | open/closed principle | open-collar worker |
| Open DataBase Connectivity | Open Data-link Interface | Open DeathTrap |
| Open Desktop | Open Distributed Processing | Open Distributed System Architecture |
| OpenDoc | OpenDocument | Open Document Architecture |
| Open Document Interchange Format | Open Document Management API | OpenGL |
| Open Graphics Library | Open Group | OpenInsight |
| open interval | Open Look | Open Network Computing |
| OpenOffice.org | open parenthesis | Open Prolog |
| Open Scripting Architecture | Open Search | Open Shortest-Path First |
| Open Shortest-Path First Interior Gateway Protocol | Open Software Foundation | open source |
| Open Source Definition | Open Source Initiative | Open source license |
| OpenStep | open switch | Open System Architecture |
| Open Systems Interconnect | Open Systems Interconnection | Open Telecom Platform |
| Open Trading Protocol | OpenTransport | Open University |
| OpenVMS | OpenWindows | operand |
| operating | operating system | Operating System/360 |
| Operating System/Multiprogramming of Fixed Tasks | operational database | Operational Data Store |
| operational requirements | operational semantics | operational test and evaluation |
| operational testing | operation code | operations support technician |
| operator | Operator Control Language | operator overloading |
| OPF | Opportunity Management System | OPS |
| OPS5 | OPS83 | Optical Carrier 12 |
| Optical Carrier 3 | Optical Carrier 48 | Optical Carrier n |
| Optical Character Recognition | optical computing | optical diff |
| optical disc drive | optical disk drive | optical drive |
| optical fiber | optical fibre | optical grep |
| Optical Mark Reader | optical mouse | Optical Signal Processor |
| optical storage | Optical Storage Technology Association | Optical Time Domain Reflectometer |
| Optical Time Domain Reflectometry | optimal | Optimal Flexible Architecture |
| optimise | optimising compiler | optimism |
| optimize | option | OPTRAN |
| Opus | OR | Oracle |
| Oracle 7 | Oracle Card | Oracle*CASE |
| Oracle Co-operative Applications | Oracle Corporation | Oracle Parallel Server |
| Oracle Rdb | Oracle Toolkit | Orange Book |
| ORB | Orbit | Orca |
| Order Code Processor | order-embedding | ordering |
| ordinal | ordinary differential equation | ordinate |
| OREGANO | O'Reilly and Associates | org |
| Organic Mode | Orient84/K | Original Equipment Manufacturer |
| ORKID | ORM | orphaned i-node |
| orphan process | ORTHOCARTAN | orthogonal |
| orthogonal instruction set | Orwell | OS |
| OS2 | OS/2 | OS/360 |
| OS/390 | OS-9 | OSA |
| OSA extension | OSAX | Osborne 1 |
| Osborne, Adam | Osborne Computer Corporation | OSCAR |
| OSD | OSE | OSF |
| OSI | OSI Model | OSI Reference Model |
| OSI-RM | OSI seven layer model | O'small |
| OS/MFT | OS/MVT | OSP |
| OSPF | OSQL | OSSL |
| OSTA | OS/VS1 | OS/VS2 |
| OT | OTDR | OT&E |
| OTI | OTOH | OTP |
| OTPROM | OTT | Ottawa Euclid |
| Ousterhout, John K. | Ousterhout's dichotomy | Ousterhout's fallacy |
| Ousterhout's false dichotomy | out | outer join |
| outline font | out-of-band | output |
| output device | Outside Awareness Port | outside-in testing |
| outsourcing | overclocking | Overdrive |
| overflow | overflow bit | overflow flag |
| overflow pdl | overhead | overloading |
| overriding | overrun | overrun screw |
| overuse strain injury | OWHY | OWL |
| Owl | Ox | Oz |
| oz | Oz-Email | P+ |
| P1754 | p2c | P2P |
| P3L | P4 | P6 |
| pa | PABX | PACE |
| Packard Bell Electronics, Inc. | packed decimal | Packed Encoding Rules |
| packet | Packet Assembler/Disassembler | packet driver |
| Packet in Plastic Grid Array | Packet InterNet Groper | packet radio |
| packet sniffer | packet sniffing | packet switch |
| packet-switched | packet switching | Packet Switch Node |
| packet writing | PackIt | PACT I |
| PACTOLUS | PAD | padded cell |
| Paddle | PAGE | page |
| paged | Page Description Language | Paged Memory Management Unit |
| page fault | page in | pagelet |
| page mode | Page Mode DRAM | Page Mode Dynamic Random Access Memory |
| page out | pager | paging |
| PaiLisp | pain in the net | Paintbrush |
| PAISley | Pajek | PAL |
| Palace | palette | palmtop |
| Palo Alto Research Center | Palo Alto Research Centre | PAM |
| Pam | Pandora | panic |
| PANON | PANS | Pansophic |
| Pantone | PAP | Paper Feed Control Character |
| papermail | paper-net | paper tape |
| paraconsistent probability | PARADE | PARADIGM PLUS |
| Paradigms of AI Programming | Paradise | Paradox |
| paradox | Paradox Application Language | Paragon |
| Paralation | Paralation C | Paralation LISP |
| ParAlfl | Parallaxis | parallel |
| Parallel Advanced Technology Attachment | Parallel ATA | Parallel C |
| parallel computer | parallel computing | Parallel FORTH |
| Parallel Fortran | Parallel Haskell | parallelism |
| Parallel Pascal | parallel port | Parallel Presence Detect |
| parallel processing | parallel processor | parallel random-access machine |
| parallel reduction | Parallel Server Option | Parallel SML |
| Parallel Sysplex | Parallel Virtual Machine | param |
| parameter | parameter RAM | parametric polymorphism |
| paraML | paranoid programming | ParaSoft Corp |
| Parasol | PARC | ParcPlace Systems |
| parent | parentheses | parent message |
| parent process | Pari | Paris |
| parity | parity bit | parity error |
| Parkinson's Law of Data | Park-Miller | Parlance |
| Parlog | Parlog++ | parm |
| PARMACS | ParMod | PARS |
| parse | PARSEC | parsed |
| parser | parser generator | parsing |
| Parsley | Partial Differential Equation LANguage | partial equivalence relation |
| partial evaluation | partial function | partial key |
| partially ordered set | partial order | Partial Response Maximum Likelihood |
| partition | partitioned data set | PARTS |
| PARULEL | PASC | Pascal |
| Pascal- | Pascal-80 | Pascal+CSP |
| Pascal-F | Pascal-FC | Pascal/L |
| Pascal-Linda | Pascal-m | Pascal-P |
| Pascal P4 | Pascal Plus | Pascal/R |
| Pascal-S | Pascal-SC | pasos2 |
| Pasqual | PASRO | PASSIM |
| passive matrix display | passphrase | passw0rd |
| password | Password Authentication Protocol | paste |
| pastie | PAT | PATA |
| patch | patch pumpkin | patch space |
| PATCHY | path | path coverage testing |
| pathname | pathname separator | pathological |
| Path Pascal | pathspec | pattern matching |
| pattern recognition | PAW | PAW++ |
| payware | PB Cache | PBCAK |
| PBD | PBEM | PBKAC |
| PBM | PBX | PC |
| pC++ | PC-1834 | PC200 |
| PC-7150 | PCA | P-CAD |
| PC AT | PCB | PC Card |
| PCCTS | PCF | PCI |
| PCI bus | PCI Configuration Utility | PCI Mezzanine Card |
| PCI slot | PC-ism | PCjr |
| PCL | PCLIPS | PCM |
| PCMCIA | PCMIA | PCN |
| PC-NFS | P-code | PC Pursuit |
| PC-RT | PCS | PC-Scheme |
| PCS/Geneva | PC support | PC-TALK III |
| PCTE | PCTE+ | PC-TILES |
| PCU | PC-ware | pcx |
| PD | PDA | PDC |
| PDC Prolog | PDEL | PDELAN |
| PDES | PDF | PDFTeX |
| PDH | PDIL | pdksh |
| PDL | PDL2 | PDM |
| PDP | PDP-10 | PDP-11 |
| PDP-20 | PDP-6 | PDP-7 |
| PDP Assembly Language | PDS | PDSA cycle |
| PDS/MaGen | PDU | PE |
| pe | PeaceNet | peak envelope power |
| Peano | Peano arithmetic | PEARL |
| Pebble | Pebbleman | PEBCAK |
| PEBKAC | PECOS | Pedagogic Algorithmic Language |
| PEEK | PEEL | peephole optimisation |
| peephole optimization | peer | peer-to-peer |
| peer-to-peer network | Pegasus | PEIPA |
| PEM | PENCIL | pencil and paper |
| penis war | Pentium | Pentium 2 |
| Pentium 3 | Pentium II | Pentium III |
| Pentium II Xeon | Pentium Pro | peon |
| PeopleSoft | PEP | Pepper |
| PEPsy | PER | percent |
| Perceptional Adaptive Subband Coding | perceptron | percussive maintenance |
| perf | perfect programmer syndrome | PERFORM |
| period | periodic group | peripheral |
| Peripheral Component Interconnect | peripheral device | Peripheral Technology Group |
| Perl | Perl5 | perl-byacc |
| Perl profiler | permanent link | Permanent Virtual Circuit |
| Permanent Virtual Connection | permission | permutation |
| perplexity | persistence | persistent |
| Persistent Functional Language | persistent memory | Personal Communication Network |
| Personal Communication Services | personal computer | Personal Computer Memory Card International Association |
| Personal Digital Assistant | Personal Identification Number | Personalized Array Translator |
| person of no account | perspective | PERT |
| pessimal | pessimising compiler | peta- |
| petabyte | petaflops | petdingo |
| Peter P. Chen | Petri net | PETSCII |
| PEX | pf | PFE |
| PFL | pfm | pForth |
| Pfortran | PFP | pg |
| PGA | PGA370 | PGP |
| PH | pH | ph |
| phacker | phage | phase |
| phase alternating line | Phase Encoded | phase of the moon |
| phase-shift keying | phase space | phase-wrapping |
| PHIGS | Philip R. Bagley | Philips |
| Philips SCC68070 | Phil Katz | philosophy |
| phishing | PHOCUS | Phoenix |
| phone freaking | phone mail | phone phreaking |
| Phonetastic | Phong shading | phosphor fatigue |
| photo CD | Photoshop | PHP |
| PHP: Hypertext Preprocessor | phpmyadmin | phreak |
| phreaking | physical | physical address |
| physical addressing | physical file | physical layer |
| physical memory | physical memory address | Physical Sequential |
| Physical Transport Network | Physics Analysis Workbench | PI |
| pi | PIC | pi-calculus |
| Pick BASIC | PICL | PICNIC |
| pico- | picosecond | PICS |
| PICT | PicTeX | pictogram |
| pictograph | Pictorial Janus | picture |
| picture element | Picture Quality Scale | PID |
| pidgen+ | Pidgin | PIE |
| pif | piggybacking | pig, run like a |
| PIGUI | PIL | PILE |
| PIL/I | PILOT | pilot error |
| Pilot European Image Processing Archive | PIM | PIN |
| PINBOL | Pine | pin feed |
| ping | ping command | ping-flood |
| pinging | ping-pong | Pin Grid Array |
| Pink-Shirt Book | pin-out | PIO mode |
| PIP | pipe | pipeline |
| pipeline break | Pipeline Burst Cache | pipelined |
| Pipelined Burst Cache | pipeline stall | pipelining |
| PIPEX Ltd. | piping | piracy |
| pirate | PIRL | pistol |
| PIT | PITA | pixel |
| pixels per inch | pixmap | pizza box |
| PJPEG | PK | pk |
| PKE | PKI | PKLITE |
| PKUNZIP | PKWARE, Inc. | PKZIP |
| pl | PL1 | PL/1 |
| PL-11 | PL360 | PL516 |
| PL-6 | PL.8 | Pla |
| PLACE | PLAGO | plaid screen |
| PLAIN | plain ASCII | Plain Old Documentation |
| Plain Old Telephone Service | Plain Old Telephone System | plain TeX |
| plaintext | PLAN | Plan 9 |
| Planet | plan file | PLANIT |
| Plankalkül | PLANNER | Planner-73 |
| PLANS | plants | PLASMA |
| Plastic Pin Grid Array | platform | Platform for Internet Content Selection |
| Platform Independent Graphical User Interface | platinum-iridium | Platon |
| PLAY | play by electronic mail | Playground |
| Play, Inc. | playpen | Playstation |
| playte | PLC | PL/C |
| PL Cornell | PLD | plenum cable |
| pleonasm | plesiochronous | Plesiochronous Digital Hierarchy |
| Pleuk grammar development system | Plexus | PL/I |
| PL/I-FORMAC | pling | plingnet |
| PLisp | PL/I SUBSET | PL/I Subset G |
| PLITS | PLL | PL/M |
| PLMK | plokta | plotter |
| PL/P | PL/PROPHET | PL/S |
| PL/Seq | PL/SQL | PLTL |
| plug and play | plug and pray | Plug Compatible Manufacturer |
| Pluggable Authentication Module | plugh | plug-in |
| PLUM | Plumber | plumbing |
| Plural EuLisp | PLUS | plus |
| PLUSS | ply | PM |
| pm | pm2 | P-mail |
| PMBX | PMC | PML |
| PMP | pn | pnambic |
| PNG | PNP | PNU-Prolog |
| POA | PoB | POC |
| POCAL | pocket calculator | pocket computer |
| pod | P.O.D. | podcast |
| POE | POFAC | POFOD |
| POGO | point | point-and-drool interface |
| point-and-grunt interface | pointed domain | pointer |
| pointer swizzling | pointing device | pointing stick |
| Point Of Contact | point of presence | point of sale terminal |
| Point-to-Point Protocol | Point-to-Point Protocol over ATM | Point-to-Point Protocol over Ethernet |
| Point-to-Point Tunneling Protocol | Poisson distribution | POJO |
| poke | Pokémon exception handling | Polka |
| poll | polling | Poly |
| polygon pusher | POLYGOTH | polylithism |
| Poly/ML | polymorphic | polymorphic lambda-calculus |
| polymorphism | polynomial | polynomial-time |
| polynomial-time algorithm | polyvinyl chloride | POM |
| pompom | Ponder | Pong |
| POOL | POOL2 | POOL-I |
| Pooling Agreement for Technical Assistance | POOL-T | POP |
| PoP | pop | POP++ |
| POP-1 | POP-10 | Pop-11 |
| POP-2 | POP3 | POP-9X |
| POPART | POPCORN | pop-down menu |
| POPJ | Poplar | POPLER |
| POPLOG | POPLOG ML | POP server |
| PopTalk | PopularitY of Programming Languages | POR |
| porn | porno | pornography |
| port | portability | portable |
| Portable AIRTIME | Portable Commodore 64 | Portable Common Loops |
| Portable Common Tool Environment | portable computer | Portable Document Format |
| Portable Forth Environment | Portable Network Graphics | Portable Object Adapter |
| Portable Operating System Interface | Portable Pixmap | Portable Scheme Debugger |
| Portable Scheme Interpreter | Portable Standard Lisp | Portable Tool Interface |
| Port Address Translation | PORTAL | portal |
| porting | Port Language | portmapper |
| port number | POS | POSE |
| poset | positional representation | POSIX |
| POSIX Threads | POST | post |
| postcardware | posted write-through | Postel, Jon |
| postfix notation | postfix syntax | POSTGRES |
| PostgreSQL | posting | postmaster |
| post office problem | Post Office Protocol | post-order traversal |
| POSTQUEL | PostScript | Postscript point |
| Post, Telephone and Telegraph administration | POSYBL | potential difference |
| POTS | pound | pound on |
| pound sign | POWER | PowerBuilder |
| power cycle | powerdomain | PowerFuL |
| power hit | Power Mac | Power Macintosh |
| power-on reset | power-on self-test | PowerOpen |
| PowerOpen Association | PowerOpen Environment | PowerPC |
| PowerPC 601 | PowerPC G3 | PowerPC Platform |
| PowerPC Reference Platform | Powerpoint | power save mode |
| powerset | Powersoft Corporation | power supply |
| power supply unit | PP96 | PPC |
| PPCP | PPD | PPGA |
| ppi | PPL | PPLambda |
| PPM | PPN | PPP |
| PPPoA | PPPoE | P-Prolog |
| PPTP | PQS | PR |
| pr | pr0n | PRA |
| pragma | PRAM | Praxis Critical Systems |
| pre\box | PRE-CC | PRECCX |
| precedence | precedence lossage | precharge |
| precision | predecessor | predicate calculus |
| predicate logic | predict | predomain |
| pre-emptive multitasking | prefetch | prefix |
| prefix notation | prefix syntax | pre-order |
| pre-order traversal | PREP | prepaging |
| prepend | preprocessor | pre-sales support rep |
| presence detect | presentation layer | Presentation Manager |
| prestidigitization | PRESTO | Pretty Amazing New Stuff |
| Pretty Good Privacy | pretty pictures | prettyprint |
| pretzel key | preventive maintenance | PRI |
| primary cache | Primary Domain Controller | primary key |
| primary management domain | Primary Rate Interface | primary storage |
| Prime Computer | Primenet, Inc. | prime number theorem |
| prime time | primitive | Princeton University |
| principal type | PRINT | printed circuit board |
| printer | Printer Access Protocol | printer port |
| printf | PRINT I | printing discussion |
| print server | Print Services Facility | priority inheritance |
| priority interrupt | priority inversion | priority queue |
| priority scheduling | PRISM | Prisoner of Bill |
| privacy | Privacy Enhanced Mail | private |
| Private Automatic Branch eXchange | Private Branch Exchange | private key |
| private-key cryptography | Private Manual Branch eXchange | privileged instruction |
| PRL | PRMD | PRML |
| probabilistic | probabilistic automaton | Probability of Failure on Demand |
| Probe | problem state | Problem Statement Language/Problem Statement Analyser |
| PROC | procedural | procedural language |
| Procedural Language/SQL | procedure | proceedings |
| process | Process and Experiment Automation Real-Time Language | process data |
| Process Design Language 2 | process ID | process identifier |
| processing | processor | Processor Direct Slot |
| processor farm | Processor System Modeling Language | processor time |
| process scheduling | process table | PROCOL |
| Procomm | Procrustean string | Prodigy |
| ProDoc | product | production system |
| Professional Graphics Adapter | Professional Office System | professional programming |
| professional services | PROFILE | profile |
| PROFS | PROGENY | proglet |
| program | Program Composition Notation | program counter |
| Program Design Language | Program Evaluation and Review Technique | Program Information File |
| Programmable Airline Reservation System | Programmable Array Logic | Programmable Interrupt Controller |
| Programmable Logic Controller | Programmable Read-Only Memory | Programmed Data Processor |
| PROgrammed Graph REwriting Systems | programmer | Programmer Brain Damage |
| Programmer's Cheer | Programmers Hierarchical Interactive Graphics System | PROgrammer's Microapplication Language |
| Programmer's Switch | programming | programming fluid |
| programming language | Programming Language/Cornell | Programming Language/Systems |
| Program Temporary Fix | program transformation | Prograph |
| PROGRES | progressive coding | Progressive JPEG |
| progressive/sequential coding | PROJECT | project assurance |
| Project Athena | Project Guardian | projection |
| projective plane | Project MAC | project management |
| project planning | Prolog | Prolog++ |
| Prolog-2 | Prolog-D-Linda | Prolog-II |
| Prolog-III | Prolog-Linda | Prolog/Mali |
| PROM | PROMAL | Prometheus |
| promiscuous mode | PROM monitor | pron |
| Pronet | Pronunciation | proof |
| PROOF/L | proof theory | propeller head |
| propeller key | proportionally spaced font | Proposal Writing |
| proposition | propositional calculus | propositional logic |
| Proposition of a Language Useable for Structured Specifications | proprietary | PROSE |
| ProSet | PROSPER | Prospero |
| ProTalk | protected mode | PROTEUS |
| protocal | protocol | protocol analyser |
| protocol converter | Protocol Data Unit | protocol layer |
| protocol stack | protoduction | PROTON |
| Protosynthex | prototype | Prototyper |
| prototyping | provably difficult | provably unsolvable |
| provider | provocative maintenance | prowler |
| proxy | proxy ARP | proxy gateway |
| Proxy Server | proxy server | PS |
| PS1 | PS2 | PS/2 |
| PS 440 | PSA | PS-ALGOL |
| pSather | PSD | PSDN |
| pseudo | pseudocode | pseudoprime |
| pseudorandom number | PseudoScheme | pseudosuit |
| pseudo-tty | PSF | PSI |
| Psion | Psion Organiser | PSK |
| PSL | PSL/PSA | PSML |
| PSN | PSO | PSPP |
| PSTN | PSU | psychedelicware |
| psyton | pt | P-TAC |
| ptc | PTF | Pthreads |
| PTI | PTN | Ptolemy |
| PTT | PUB | pub |
| public directory | public domain | public domain software |
| public-key cryptography | Public-Key Cryptography Standards | public-key encryption |
| Public Key Infrastructure | Public Switched Telephone Network | PUBlishing |
| puff | PUFFT | pull |
| pull-down list | pull-down menu | pull media |
| Pulse Code Modulation | pumpkin | pumpkineer |
| pumpking | punch card | punched card |
| punt | Purdue Compiler-Construction Tool Set | Purdue University |
| pure functional language | pure lambda-calculus | PureLink |
| Pure Lisp | purely functional language | Purify |
| Purple Book | purple wire | Purveyor |
| push | push-button | Push Down List |
| push media | P value | PVC |
| PVM | PV-WAVE | pw |
| PWM | py | PYPL |
| Pythagoras | Pythagoras's Theorem | Pythagoras' Theorem |
| Pythagorean Theorem | Python | Q |
| QA | qa | QA4 |
| QAM | Qbasic | QBE |
| QBIC | QCA | QCIF |
| qdjanus | QDOS | QEMM386 |
| QIC | QL | Qlambda |
| QLISP | QLOG | QMQP |
| QMTP | QMW | Q'NIAL |
| QNX | QoS | QPE |
| QSAM | QT-OBJECTS | QTRADER |
| quad | Quadralay Corporation | Quadrature Amplitude Modulation |
| quadruple bucky | quadruplex | Quake |
| Qualcomm | quality | quality assurance |
| quality control | quality of service | Quality Systems & Software Ltd. |
| quantifier | Quantify | quantum |
| quantum bogodynamics | quantum cell | quantum cell wire |
| quantum computer | quantum computing | quantum dot |
| Quantum-dot Cellular Automata | quarter | Quarter CIF |
| Quarter Inch Cartridge | Quay Financial Software | QUEASY |
| Queen Mary and Westfield College | Queens Problem | Queens Puzzle |
| Queen's University | QUEL | query |
| Query By Example | query by image content | query expansion |
| ques | Quest | question mark |
| queue | Queued Sequential Access Method | QUICK |
| quick-and-dirty | QuickDraw | Quick Mail Queueing Protocol |
| Quick Mail Transfer Protocol | Quicksilver | Quicksort |
| QuickTime | quiesce | quiesce time |
| QUIKSCRIPT | QUIKTRAN | QUIN |
| quine | Quintec-Objects | quintillion |
| Quintus Prolog | quote chapter and verse | quotient |
| Qu-Prolog | Quty | qux |
| QWERTY | QX | R2000 |
| R2RS | R3.99RS | R3RS |
| R4RS | rabbit job | RACE |
| race condition | RACF | RAD |
| Raddle | Radio-frequency identification | Radio Frequency Interference |
| radio in the loop | radiosity | RADIUS |
| radix | RAID | RAIL |
| rainbow series | rain dance | RAIS |
| RAISE | RAISE Specification Language | RAL |
| RAM | Rambus DRAM | Rambus, Inc. |
| RAMDAC | RAM disk | RAM drive |
| RAMIS II | RAMTRON | random |
| random-access memory | Random Access Memory Digital-to-Analog Converter | randomness |
| random number | random testing | range |
| ransomware | Rapid Application Development | RapidCAD |
| Rapidly Extensible Language, English | rapid prototyping | Rapidwrite |
| RAPT | RARE | rare mode |
| RARP | RAS | RASP |
| raster | raster blaster | raster burn |
| raster font | rastergram | raster graphics |
| Raster Image Processor | rasterising | rasterizing |
| raster subsystem | Ratatosk | rat belt |
| RatC | RATEL | Rate monotonic scheduling |
| RATFIV | RATFOR | rational |
| RATional Fortran | Rationalized C | rave |
| rave on! | ravioli code | raw data |
| raw mode | RAWOOP-SNAP | ray casting |
| Rayleigh distribution | Ray Tomlinson | ray tracing |
| R:BASE | RBASIC | RBCSP |
| RBOC | rc | RC4 |
| RCA 1802 | RCA 1805 | RCC |
| rc file | RCL | rcp |
| RCS | Rdb | rdb |
| RDBA | RDBMS | RDF |
| RDI | RDL | RDOS |
| RDP | RDRAM | RDS |
| RE | re | read-eval-print loop |
| README file | Read-Only Memory | read-only user |
| real | RealAudio | real estate |
| real hack | reality check | realization |
| Really Simple Syndication | real mode | real number |
| real operating system | Real Programmer | Real Programmers Don't Use Pascal |
| Real Simple Syndication | Real Soon Now | real-time |
| Real-Time Common Design Language | Realtime Disk Operating System | Real-Time Euclid |
| Real-Time Mentat | Real-Time Object-Oriented Modeling | Real-Time Operating System |
| Real-Time Operating System Nucleus | Real-Time Pascal | Real Time Streaming Protocol |
| real-time structured analysis | Real-Time Transport Protocol | real user |
| Real Video | Real World | reaper |
| reassembly | reboot | REC |
| recent changes | recipe | recipient |
| Recital | RECOL | Recommended Standard |
| record | Record Management Services | records |
| Record Separator | rectangle slinger | recurrence relation |
| recurse | recursion | recursion theory |
| recursive | recursive acronym | recursive definition |
| recursive descent parser | Recursive Functional Algorithmic Language | Recursive Macro Actuated Generator |
| recursive type | Red | Red Book |
| Red Brick Intelligent SQL | Redcode | redex |
| Red Hat | RediLisp | redirection |
| redirector | RedNet Ltd. | redocumentation |
| REDUCE | Reduced Instruction Set Computer | reduction |
| reduction strategy | redundancy | Redundant Array of Independent Disks |
| Redundant Array of Independent Drives | Redundant Array of Inexpensive Disks | Redundant Array of Inexpensive Servers |
| Redundant Arrays of Inexpensive Disks | red wire | red zone |
| re-engineering | re-entrant | refactoring |
| REFAL | REF-ARF | reference |
| reference counting | referential integrity | referentially transparent |
| referential transparency | referer | referrer |
| REFINE | Refined C | Refined Fortran |
| reflexive | reflexive domain | Reflexive transitive closure |
| RefLisp | refresh | refreshable braille display |
| refreshable display | refresh rate | refuctoring |
| refutable | regex | regexp |
| Regina | regional network | register |
| register allocation | register assignment | register dancing |
| registered port | register set | register spilling |
| Register Transfer Language | registry | regression |
| regression testing | REG-SYMBOLIC | REGTRAL |
| regular expression | Regular Expression Converter | regular graph |
| rehi | Reid, Brian | reify |
| re-image | reincarnation, cycle of | reinvent the wheel |
| relation | relational algebra | relational calculus |
| relational database | relational database management system | relational data model |
| relational DBMS | relational language | relational model |
| RELATIVE | relatively prime | relative pathname |
| Relative Record Data Set | RELCODE | release |
| released version | REL English | relevance |
| reliability | Reliability, Availability, Serviceability | reliable communication |
| Reliable Data Protocol | religion of CHI | religious issues |
| REM | remailer | Remote Access Services |
| Remote Database Access | Remote Desktop Protocol | remote echo |
| Remote Job Entry | remote login | Remote Method Invocation |
| remote monitoring | Remote Operations Service Element | Remote Procedure Call |
| Remote Reference Layer | Remote Spooling Communication Subsystem | Remote Write Protocol |
| removable disk | removable hard disk | rendering |
| RenderMan Shading Language | rendezvous | REP |
| repeat | repeater | repeating group |
| repeat loop | repeat until | repetitive strain disorder |
| repetitive strain injury | REPL | replacement algorithm |
| Replay | replication | replicator |
| reply | Repondez s'il vous plait | Report Program Generator |
| repository | Representation Language Language | Request For Comments |
| request for proposal | Request For Technology | Required-COBOL |
| requirements | Requirements Acquisition and Controlled Evolution | requirements analysis |
| Requirements Engineering | Research Systems, Inc. | ResEdit |
| reserved memory | resolution | resolver |
| Resource Access Control Facility | Resource Description Framework | resource fork |
| Resource Reservation Protocol | Restricted EPL | restriction |
| Restructured EXtended eXecutor | restructuring | retcon |
| rete | RETI | Retrieve |
| retrocomputing | retronym | return from interrupt |
| return from the dead | Return To Zero | reusability |
| reuse | Reverse Address Resolution Protocol | Reverse ARP |
| reverse engineering | Reverse Polish Notation | reverse polish syntax |
| Revised ALGOL 60 | revision | Revision Control System |
| Revolutionary Surrealist Vandal Party | revolutions per minute | REX |
| REXX | REXXWARE | RF |
| RFC | RFC 1014 | RFC 1034 |
| RFC 1035 | RFC 1057 | RFC 1058 |
| RFC 1081 | RFC 1094 | RFC 1112 |
| RFC 1119 | RFC 1123 | RFC 1156 |
| RFC 1157 | RFC 1171 | RFC 1208 |
| RFC 1213 | RFC 1267 | RFC 1268 |
| RFC 1304 | RFC 1321 | RFC 1334 |
| RFC 1341 | RFC 1347 | RFC 1350 |
| RFC 1388 | RFC 1436 | RFC 1441 |
| RFC 1442 | RFC 1443 | RFC 1444 |
| RFC 1445 | RFC 1446 | RFC 1447 |
| RFC 1448 | RFC 1449 | RFC 1450 |
| RFC 1451 | RFC 1452 | RFC 1475 |
| RFC 1508 | RFC 1509 | RFC 1520 |
| RFC 1521 | RFC 1526 | RFC 1531 |
| RFC 1550 | RFC 1561 | RFC 1568 |
| RFC 1591 | RFC 1630 | RFC 1661 |
| RFC 1700 | RFC 1701 | RFC 1702 |
| RFC 1707 | RFC 1730 | RFC 1756 |
| RFC 1760 | RFC 1777 | RFC 1778 |
| RFC 1795 | RFC 1823 | RFC 1825 |
| RFC 1831 | RFC 1861 | RFC 1938 |
| RFC 1951 | RFC 1959 | RFC 1960 |
| RFC 2045 | RFC 2046 | RFC 2047 |
| RFC 2048 | RFC 2049 | RFC 2060 |
| RFC 2061 | RFC 2068 | RFC 2093 |
| RFC 2131 | RFC 2234 | RFC 2236 |
| RFC 2246 | RFC 2279 | RFC 2281 |
| RFC 2298 | RFC 2326 | RFC 2364 |
| RFC 2408 | RFC 2516 | RFC 2543 |
| RFC 2795 | RFC 2821 | RFC 3232 |
| RFC 4213 | RFC 792 | RFC 793 |
| RFC 821 | RFC 822 | RFC 826 |
| RFC 854 | RFC 903 | RFC 908 |
| RFC 959 | RFCOMM | RFE |
| RFI | RFID | RFP |
| RFT | RG58 | RG8 |
| RGB | Rhapsody | ribbon cable |
| rib site | rice box | Richard Gabriel |
| Richard Hamming | Richard Korf | Richard P. Feynman |
| Richard P. Gabriel | Richard Stallman | rich object |
| Rich Site Summary | Rich Text Format | RIFF |
| RIGAL | Rigel | right brace |
| right bracket | right-click | right join |
| right outer join | right parenthesis | Right Thing |
| Rijndael | ring network | ring topology |
| Riordan's Internet Privacy Enhanced Mail | RIP | rip |
| ripcording | RIPE | RIPEM |
| ripper | RISC | RISCiX |
| RISC OS | RiscPC | RISC System/6000 |
| Risk Based Testing | RISQL | RITL |
| RJ-11 | RJ-45 | RJE |
| RKM | RL | rl |
| RLaB | RLDRAM | RLE |
| RLF | RLL | rlogin |
| RMAG | RMAIL | RMI |
| RM-ODP | RMON | RMS |
| RNF | ro | roach |
| ROADS | Robert T. Morris | ROBEX |
| RoboHELP | robot | robot exclusion standard |
| robots.txt | robust | Rockwell Protocol Interface |
| Rocky Mountain Basic | rococo | ROCOF |
| roff | ROFL | ROFLMAO |
| rogue | rollback | ROM |
| ROM BIOS | ROME | Rom Kernel Manual |
| room | ROOM Methodology | room-temperature IQ |
| root | root bridge | root directory |
| root mode | root node | Root Normal Form |
| roots | root version | ROSE |
| Rosette | Roskind grammars | rot13 |
| rotary debugger | rotational latency | rotations per minute |
| ROTFL | ROTFLMAO | ROTFLMAOASTC |
| ROTFLOL | round-robin | round tape |
| round-trip time | route | routed |
| route flapping | routeing | routeing domain |
| route leak | router | routine |
| routing | Routing Information Protocol | routing policy |
| Routing Table Maintenance Protocol | row | Row Address Strobe |
| row-level locking | Royal Veterinary and Agricultural University | RPC |
| RPG | RPG-II | RPI |
| RPL | RPL-1 | RPM |
| rpm | RPN | Répondez s'il vous plait |
| RPT | RRL | RRS |
| RS | RS-232 | RS-232C |
| RS-232D | RS-422 | RS-423 |
| RS-449 | RS-485 | RS6000 |
| RS/6000 | RS6K | RSA |
| RSA Data Security, Inc. | RSA encryption | RSCS |
| Réseaux Associés pour la Recherche Européenne | Réseaux IP Européens | RS flip-flop |
| rsh | RSI | RSL |
| RSN | RSS | RSS feed |
| rstat | RSTS/E | RSVP |
| RT-11 | RTBM | RTC++ |
| RT-CDL | RTEE | RTF |
| RTFAQ | RTFB | RTFM |
| RTFM.Humanitarian | RTFS | RTI |
| RTL | RTL/1 | RTL/2 |
| RTM | RTMP | RTOS |
| RTP | RT-PC | RTS |
| RTSA | RTSP | RTT |
| RTTI | RTTY | ru |
| rubi | Ruby | rude |
| RUFL | run | RUNCIBLE |
| run commands | runes | runic |
| run-length encoding | Run Length Limited | run time |
| run-time environment | run-time error | run-time library |
| run-time support | run-time system | Run-Time Type Information |
| ruptime | RUSH | Russell |
| Russell, Bertrand | Russell's Attic | Russell's Paradox |
| rusty iron | rusty memory | RUTH |
| rw | rwho | RWP |
| Rx | RYFM | S |
| s/// | S3 | SA |
| sa | SA-110 | SAA |
| Saber-C | Saber-C++ | SAC |
| SAC-1 | SAC2 | sacadm |
| sacred | SAD | SAD SAM |
| SADT | SAFARI | safe |
| safe mode | safety | safety-critical system |
| saga | sagan | SAGE |
| SAIC | SAID | SAIL |
| SAINT | Saint Andrews Static Language | SAL |
| SALEM | Sales Automation | salescritter |
| Sales Force Automation | S-ALGOL | SALT |
| salt | salt mines | salt substrate |
| SAM | sam | SAM76 |
| Samba | SAME | same-day service |
| SAMeDL | samizdat | SAML |
| Sammet, Jean E. | sample | sample rate |
| sampling | sampling frequency | samurai |
| SAN | sandbender | sandbox |
| Sandman | San Francisco | sanity check |
| Santa Cruz Operation | SAP | SAP AG |
| SAPI | SAR | SAS |
| SASD | SASE | SASI |
| SASL | SASL+LV | SASL-YACC |
| SAS System | SATA | SATAN |
| Sather | Sather-K | satisfiability problem |
| saturation | Saturday-night special | sausage code |
| SAVE | save | save as |
| say | sb | SB AWE32 |
| SBCS | SBD | SBE |
| SBM | SB-Prolog | SBR |
| SBus | SC | sc |
| SCA | SCADA | scag |
| scalability | Scalable Coherent Interface | Scalable Processor ARChitecture |
| Scalable Sampling Rate | Scalable Vector Graphics | scalar |
| SCALLOP | SCAN | scan |
| scan design | SCANDISK | Scan-EDF |
| scanf | Scan-In, Scan-Out | scan line |
| scanner | scanno | scan path |
| scan register | scar tissue code | SCC |
| SCCS | SCEPTRE | Schachter's Hypothesis |
| scheduler | scheduling | Scheduling API |
| Scheduling Application Programming Interface | Schelog | schema |
| Schema Definition Set | Schema Representation language | schematic capture |
| schematic type variable | Schematik | Scheme |
| Scheme84 | Scheme88 | Scheme->C |
| Scheme Library | Scheme-Linda | Scheme Object System |
| Scheme Repository | Scheme-to-C | Schlaer-Mellor |
| Schoonschip | schrödinbug | SCI |
| Science and Engineering Research Council | Scientific Data Systems | Sci-Hub |
| SCL | SCM | SC/MP |
| SCO | Scode | SCOOP |
| SCOOPS | SCOPE | scope |
| Scorpion | Scott-closed | Scott domain |
| SCPI | SCPI Consortium | scram switch |
| SCRAP | scratch | scratch disk |
| scratch monkey | Scratchpad I | Scratchpad II |
| scream and die | Screamer | screaming tty |
| screen | screen blanker | screen dump |
| Screen Peace | screen popping | screen reader |
| screen refresh | screen saver | screen scraper |
| screen server | screen sharing | Screenwrite |
| screw | screwage | scribble |
| Scribe | SCRIPT | script |
| Scriptics | scripting language | scrog |
| SCROLL | scroll | scrollable list |
| scroll bar | scrolling | scrool |
| scrozzle | scruffies | SCSI |
| SCSI-1 | SCSI-2 | SCSI-3 |
| SCSI adapter | SCSI adaptor | SCSI controller |
| SCSI ID | SCSI initiator | SCSI interface |
| SCSI reconnect | SCSI target | ScumOS |
| scuzzy | SD | sd |
| sdcv | SDDI | SDE |
| SDF | SDH | SDI |
| SDK | SDL | SDL 92 |
| SDLC | SDM | SDMS |
| SDP | SDRAM | SDRC |
| SDR-RAM | SDR-SDRAM | SDS |
| SDS 92 | SDS 940 | SDSL |
| SE | se | SEA |
| Seagate Technology | SEAL | search |
| search algorithm | search-and-destroy mode | search engine |
| search problem | search term | Search The Fucking Web |
| SEC | SECC | SECD machine |
| secondary cache | secondary damage | secondary key |
| secondary storage | second generation | second generation computer |
| second generation language | second level cache | second normal form |
| Second-Order Lambda-calculus | second-system effect | sector interleave |
| sector interleaving | sector map | sector mapping |
| Secure File Transfer Protocol | Secure Hash Algorithm | Secure Multipurpose Internet Mail Extensions |
| Secure Shell | Secure Sockets Layer | security |
| Security Administrator's Integrated Network Tool | Security Association | Security Association ID |
| security through obscurity | security vulnerability | SED |
| Sed | SEE | seed |
| seek | seeking | seek time |
| SEESAW | see u see me | SEGA |
| Sega Genesis/MegaDrive | segfault | seggie |
| segment | segmentation | segmentation and reassembly |
| segmentation fault | segmented address space | segv |
| SEI | Seiko RC-4000 | SEL |
| Selective Dissemination of Information | selector | Self |
| Self-Extensible Language | Self Extracting Archive | self-reference |
| selvage | SEM | semantic gap |
| semantic network | semantics | semaphore |
| semi | Semi-Automatic Ground Environment | semicolon |
| semiconductor | Semidetached Mode | SENDIT |
| sendmail | sendmail.cf | Sendmail Inc. |
| Seneca | senior bit | sense |
| sensor | sentence | SE-ODP |
| SEP | separate compilation | SEPIA |
| SEPP | Seque | Sequel |
| sequence | Sequenced Packet Exchange | sequencer |
| Sequent | sequential coding | sequential file matching |
| Sequential Parlog Machine | sequential processing | SERC |
| SERCOS | serial | Serial Advanced Technology Attachment |
| Serial ATA | serial communications | Serial Communications Interface |
| Serial Interface adapter | serial IO chip | serialise |
| serialize | serial line | Serial Line Internet Protocol |
| Serial Line IP | Serial Peripheral Interface | serial port |
| Serial Presence Detect | serial processing | serial processor |
| Serial Storage Architecture | serve | servelet |
| server | serverlet | Server Message Block |
| server-parsed HTML | server room | servers |
| server-side | server-side include | service |
| serviceability | Service Access Point | Service Advertising Protocol |
| Service Discovery Protocol | service-oriented architecture | service provider |
| Service Set Identifier | servlet | session |
| Session Initiation Protocol | session layer | SES/workbench |
| SET | set | set abstraction |
| set associative cache | set complement | set comprehension |
| Set Equation Transformation System | Setext | SETL |
| SETL2 | SETL/E | Set Priority Level |
| SETS | set theory | set-top box |
| SEUS | seven layer model | Seven-Segment Display |
| SEX | sexadecimal | sex changer |
| SEXI | Seymour Cray | SFA |
| SFBI | SFD-ALGOL | SFFA |
| SFL | SFLV | sFTP |
| sg | SGCP | SGI |
| SGML | sgmls | SGML Tagger |
| SGRAM | sh | SHA |
| SHACO | SHADOW | shadowing |
| shadow ram | shallow binding | shambolic link |
| Shape_VC | ShapeTools | shar |
| sharchive | sharding | Share and enjoy! |
| shared memory | Shared Time Repair of Big Electronic Systems | shareware |
| shar file | sharp | Sharp APL |
| S-HDSL | shebang | SHEEP |
| shelf | shelfware | SHELL |
| shell | shell out | shell script |
| shell variable | shielded twisted pair | SHIFT |
| Shift In | shift left logical | Shift Out |
| shift right logical | shim | shitogram |
| Shockwave | shockwave | Shockwave Flash |
| shopbot | short card | Short Code |
| shortcut | Shorten | shortest job first |
| Short Message Service | shotgun debugging | shoulder surfing |
| shovelware | Show-And-Tell | showstopper |
| shriek | shrug report | sht |
| SHTF | shtml | Shub-Internet |
| SHUG | Shugart, Alan F. | Shugart Associates |
| Shugart Technology | SI | si |
| SIA | SIBO | SICL |
| SICS | SICStus Prolog | sidecar |
| side-effect | Siemens | Siemens Nixdorf Informationssteme, AG |
| Sierra | SIFT | SIG |
| Sig | sig | sig block |
| SIGBUS | SIGhyper | SIGLA |
| SIGMA | SIGNAL | signal |
| signalling rate | Signalling System 7 | signal-to-noise ratio |
| signature | sig quote | sig virus |
| SIL | Silage | silicon |
| silicon chip | Silicon Graphics, Inc. | Siliwood |
| silly walk | silo | Silver Book |
| silver bullet | SIM | SIMAN |
| SimCity | SimCity 2000 | SIMD |
| Similix | SIML/I | SIMM |
| Simone | Simonyi, Charles | SIMPAC |
| SIMPAS | SIMPL | SIMPLE |
| Simple Actor Language | Simple Authentication and Security Layer | Simple Gateway Control Protocol |
| Simple Mail Transfer Protocol | simple multicast protocol | Simple Network Management Protocol |
| Simple Network Management Protocol version 2 | Simple Network Paging Protocol | Simple Object Access Protocol |
| simplex | simplex method | simplex printer |
| SIMPL/I | Simplified Multicast Routing Protocol | SIMPL-T |
| SIMSCRIPT | SIMSCRIPT I.5 | SIMSCRIPT II.5 |
| simship | SIMULA | SIMULA 67 |
| SIMULA I | simulate | simulated annealing |
| Simulating Digital Systems | simulation | SIMulation ANalysis |
| Simulation Language for Alternative Modeling | Simulation Oriented Language | Simultaneous Engineering Environment |
| Simultaneous Peripheral Operation On-Line | simultaneous shipment | Simware, Inc. |
| SINA | since time T equals minus infinity | Sinclair, Clive |
| Sinclair PC200 | Sinclair Radionics | Sinclair Research |
| sine wave | single assignment | single assignment language |
| single-attached | Single Connection Attach | Single Connector Attachment |
| Single Data Rate Random Access Memory | Single Data Rate Synchronous Dynamic Random Access Memory | Single Document Interface |
| single-duplex | Single Edge Contact | Single Edge Contact Cartridge |
| Single Edge Processor Package | single-electron transistor | Single Electron Tunneling |
| Single Electron Tunneling Technology | single ended | Single Image Random Dot Stereogram |
| single inheritance | Single In-line Memory Module | Single Inline Pin Package |
| Single Instruction Multiple Data | Single Instruction/Multiple Data | Single-line Digital Subscriber Line |
| single-page web application | Single-pair High Speed Digital Subscriber Line | single program/multiple data |
| single quote | single sign-on | single sourcing |
| single static assignment | singleton variable | Single Virtual Storage |
| siod | SIP | SIPB |
| SIPLAN | SIPP | SI prefix |
| Siprol | SIR | SIRDS |
| Siri | SIRTS | SISAL |
| sit | SITBOL | site map |
| sitename | SIxteen Bit Organisers | sj |
| sk | Skel-ML | Sketchpad |
| S/Key | Skill | Skim |
| SkipJack | SKOL | skolemisation |
| S-K reduction machine | skrog | SKsh |
| SKU | skulker | SL |
| sl | SL5 | slack |
| slackware | SLAM | SLANG |
| S-Lang | slap on the side | slash |
| slashdot effect | slave tty | SLD resolution |
| sleep | SLIB | Slide |
| sliding-window | SLIM | slim |
| Slingshot | SLIP | SlipKnot |
| SLIPS | SLiRP | SLLIC |
| slog | Sloop | slop |
| slopsucker | slosh | Slot 1 |
| Slot 2 | Slot A | slurp |
| sm | smail | SMALGOL |
| SMALL | Small Business Edition | Small-C |
| Small Computer System Interface | small-office/home-office | Small Outline DIMM |
| Smalltalk | Smalltalk-80 | Smalltalk/V |
| SmallVDM | SMALLWORLD | SmallWorld |
| Smarandache logic | SMART | smart |
| Smart Battery Data | smart card | Smartdrive |
| SMARTdrv | smart terminal | smash case |
| smash sum | smash the stack | SMB |
| smbclient | smblib | SMBus |
| SMCC | SMDS | SMG |
| SMI | SMIL | smiley |
| smilies | S-MIME | SML |
| SML# | sml2c | SML/NJ |
| SMM | SMNP | smoke |
| smoke and mirrors | smoke-emitting diode | smoke test |
| smoking clover | SMoLCS | SMOP |
| SMP | SMPS | SMPT |
| SMRP | SMS | SMT |
| SMTP | smug report | smurf |
| sn | SNA | snacc |
| snaf | SNAFU principle | snag |
| snail mail | SNAP | snap |
| snap dump | Snappy | Snappy Video Snapshot |
| snarf | snarf & barf | snarf down |
| snark | sneakernet | sneck |
| snert | SNI | Sniff |
| sniff | sniffer | snivitz |
| SNMP | SNMP agent | SNMPv2 |
| SNOBOL | SNOBOL2 | SNOBOL3 |
| SNOBOL4 | SNOOPS | SNPP |
| SNR | S/N ratio | SNR bandwidth product |
| SO | so | SO 2 |
| SOA | SOAP | SOAR |
| social engineering | social network | social networking |
| social science number | socket | Socket 1 |
| Socket 2 | Socket 3 | Socket 370 |
| Socket 4 | Socket 5 | Socket 6 |
| Socket 7 | Socket 8 | SOCKS |
| SOCRATIC | SODA | SODAS |
| SO-DIMM | Sod's Law | SOE |
| SoftBench | soft boot | softcopy |
| Softlab | soft link | SoftModem |
| SoftVelocity Inc. | software | Software AG |
| software audit | Software BackPlane | software bloat |
| Software bus | software copyright | Software Description Database |
| Software Developers Kit | software development life cycle | software enabling |
| software engineering | Software Engineering Environment | software handshaking |
| software interrupt | Software in the Public Interest, Inc. | software laser |
| software law | software life-cycle | Software Method |
| Software Methodology | software metric | software patent |
| software piracy | software pirate | Software Practice and Experience |
| Software Productivity Centre | Software Publishing Certificate | Software Publishing Corporation |
| software reliability | software rot | software theft |
| Software through Pictures | software tool | Software Verification Research Centre |
| Software Writer's Language | softwarily | softy |
| SOH | SOHIO | SoHo |
| SOIF | SOJ | SOL |
| Solaris | SOLID | solid state |
| Solid State Disk | solid-state storage device | SOLO |
| solution | Solution Based Modelling | Solve |
| SOM | Somar DumpAcl | Somar Software |
| some random X | Sonata | SONET |
| Sony Playstation | SORCERER | sorcerer's apprentice mode |
| sort | sorting | SOS |
| sound | Sound Blaster | sound card |
| soundex | soundness | source |
| source code | source code control | source code escrow |
| source code management | source language | source-level debugger |
| source of all good bits | source package | source route |
| source routing | southbridge | SP |
| SP2 | SP/2 | space |
| space bar | space-cadet keyboard | space complexity |
| space key | space leak | SPACEWAR |
| SPADE | spaghetti code | spaghetti inheritance |
| spaghetti with meatballs code | spam | spamdex |
| spamming | spanning tree algorithm | SPAR |
| SPARC | SPARC International, Inc. | SPARCStation |
| SPARCstation 10 | SPARCstation 20 | SPARCsystem 4 |
| SPARC Xterminal 1 | SPARK | SPARK Annotation Language |
| SPARKS | sparse | Spatial Technologies |
| spawn | SPC | SPD |
| SPDL | SPE | Speakeasy |
| speaker | SPEC | Spec |
| spec | SPECbase_fp92 | SPECbase_int92 |
| SPECbaserate | SPEC CFP92 | SPEC CINT92 |
| SPECfp92 | SPECIAL | special-case |
| Special Interest Group | specialisation | specification |
| specific markup | SPECint92 | SPECmark |
| SPECmark89 | SPECOL | SPEC rate |
| SPECrate_base_fp92 | SPECrate_fp92 | SPECrate_int92 |
| SPEC ratio | Spectral Band Replication | Spectrum |
| speculative evaluation | speculative execution | Speech Application Programming Interface |
| speech recognition | Speech Recognition Application Program Interface | speech synthesis |
| SPEED | Speedcoding | Speedcoding 3 |
| SPEEDEX | speedometer | spell |
| spelling flame | Sperry Corporation | Sperry Univac |
| SPG | SPGA | SPI |
| Spice Lisp | SPID | spider |
| Spiderweb | spiffy | spike |
| spill | spim | spin |
| spin control | spinner | spiral model |
| SPIT | SPITBOL | spiware |
| SP/k | SPL | SPL/1 |
| SPLash! | splash screen | splat |
| SPL/I | SPLINTER | split |
| Split-C | splot | SPLX |
| SPM | SPMD | SPML |
| spod | spoiler | sponge |
| spoo | spoof | spoofing |
| spooge | SPOOL | Spool |
| spool | spooler | spool file |
| SpoolView | spray | spreadsheet |
| spread spectrum communications | SPRING | SPRINT |
| Sprintnet | Sprite | sprite |
| sprocket feed | SPS | SPSS |
| SPSS, Inc. | SPUR | SPX |
| spx | spyware | SQE |
| SQL | SQL2 | SQL3 |
| SQL Access Group | SQL/DS | SQL Module Language |
| SQL Server | SQL server | SQLWindows |
| SQR | SQRIBE | Square |
| square-headed boyfriend | square-headed girlfriend | square tape |
| Squeak | Squiggol | squirt the bird |
| SR | sr | SRAM |
| SRAPI | S. R. Bourne | SRC Modula-3 |
| SRDL | SR flip-flop | SRI |
| SRI International | SRL | SRP |
| SS7 | SSA | SSADM |
| SSBA | SSD | SSE |
| SSE-2 | ssh | SSH File Transfer Protocol |
| SSI | SSID | SSII |
| SSL | S/SL | SSLeay |
| SSMA | SSO | SSR |
| st | ST-506 | STAB |
| STAB-11 | stable | stable sort |
| STAC | stac compression | stack |
| Stack Environment Control Dump machine | stack frame | stacking order |
| stack loader | stack overflow | stack pointer |
| stack puke | stack traceback | STAGE2 |
| Staggered Pin Grid Array | staircase | staircasing |
| stale pointer bug | Stalker | stalker_portal |
| stalker_portal/c/version.js | Stallman, Richard M. | stand-alone |
| standard | Standard Commands for Programmable Instruments | Standard d'Echange et de Transfert |
| standard deviation | standard for robot exclusion | Standard for the exchange of product model data |
| Standard Generalised Markup Language | Standard Generalized Markup Language | standard input/output |
| Standard Instrument Control Library | standard interpretation | standard I/O |
| Standard Lisp | Standard ML | Standard ML of New Jersey |
| Standard Operating Environment | standard semantics | Standard Widget Toolkit |
| St Andrews Static Language | Stanford Artificial Intelligence Laboratory | Stanford Artificial Intelligence Language |
| Stanford Research Institute | Stanford University | STAPLE |
| Staple | STAR 0 | StarBurst |
| StarDict | StarDict console version | StarLISP |
| StarMOD | star network | Starset |
| STARSYS | start bit | start of authority |
| Start Of Header | Start Of Text | start tag |
| stat | state | state diagram |
| stateless | state machine | statement |
| state transition diagram | State University of New York | static |
| statically typed | static analysis | static database management system |
| static DBMS | static link | static method |
| static nested scope | static nested scoping | static RAM |
| static random-access memory | static scope | static typing |
| static variable | Station Management | Statistical Analysis System |
| Statistical Package for the Social Sciences | statistical time division multiplexing | statistics |
| StatMUX | status | STB |
| STD | STD 1 | STD 13 |
| STD 15 | STD 2 | STD 9 |
| stderr | stdin | stdio |
| stdio.h | STDM | stdout |
| STDWIN | steam-powered | Steelman |
| steganography | stemmer | stemming |
| STENSOR | STEP | Stephen Cole Kleene |
| Stephen Jobs | Stephen Kleene | stepper motor |
| Stepstone Corp | stepwise refinement | stereogram |
| Sterling Software, Inc. | Steve Jobs | Steve's Shell |
| Steve Wozniak | STFT | STFU |
| STFW | Sticks&Stones | sticky analysis |
| sticky bit | sticky content | stiffy |
| STIL | STING | STk |
| STMP | stochastic | stock-keeping unit |
| STOIC | stomp on | STONE |
| Stone Age | stone knives and bearskins | Stoneman |
| stop bit | stoppage | storage |
| Storage Allocation and Coding Program | Storage Area Network | Storage Management Services |
| storage media | store | store and forward |
| stored procedure | storm | Story of Mel |
| STP | StP | STP4 |
| Strachey, Christopher | Strand | Strand88 |
| Stratus | Strawman | STREAM |
| stream | streaming | Streaming SIMD Extensions |
| stream-oriented | STREAMS | strength reduction |
| STRESS | stress testing | strict |
| strict evaluation | strided | string |
| String EXpression Interpreter | stringification | stringify |
| stringly typed | STring Oriented Interactive Compiler | String Oriented Symbolic Language |
| String PRocessING language | string reduction | stripe |
| stripe set | striping | STROBES |
| stroke | StrongARM | strongly connected component |
| strongly typed | strong typing | Stroustrup, Bjarne |
| struct | structural recursion | structured analysis |
| Structured Analysis and Design Technique | structured design | structure diagram |
| structured language | structured programming | Structured Query Language |
| Structure of Management Information | strudel | STRUDL |
| STSC APL | stty | stub |
| stub network | stubroutine | STUDENT |
| Student PL/I | studly | studlycaps |
| Stuffit | Stupids | stupid-sort |
| Sturgeon's Law | STX | style |
| su | SUB | subband encoding |
| subclass | subject | subject index |
| subject-oriented programming | sublanguage | subnet |
| subnet address | subnet mask | subnet number |
| subroutine | subscribe | Subscriber Identity Module |
| subscribing | Subset-Equational Language | Substitute |
| substrate | subtype | subtyping |
| SuccessoR | successor | sucking mud |
| Sue | sufficiently small | SUGAR |
| suicideware | SUIF | suit |
| suitably small | Suite Synthetique des Benchmarks de l'AFUU | sum |
| Summary Object Interchange Format | SUMMER | SUMMER SESSION |
| sum of products | sum of products type | Sun |
| Sun-2 Workstation | Sun-3 Workstation | Sun-4 Workstation |
| sun lounge | Sun Microsystems, Inc. | SunOS |
| sunspots | sun-stools | SunView |
| SUNY | SUPER | Super 7 |
| Superbrain | SuperBrain II | superclass |
| supercombinators | supercompilation | supercomputer |
| SuperDrive | superhighway | SuperJanet |
| SUPERMAC | super minicomputer | SuperPaint |
| Super Pascal | superpipelined | superprogrammer |
| superscalar | super source quench | SuperTalk |
| superuser | Super VGA | Super Video Graphics Adapter |
| Super Video Graphics Adaptor | Super Video Graphics Array | supervisor mode |
| Supervisory Control and Data Acquisition | SuperZap | Supplementary Ideographic Plane |
| support | supremum | Sure |
| surfing | SURGE | surjection |
| surjective | surrogate key | suspension |
| Suzie COBOL | sv | SVC |
| SVG | SVGA | SVGA monitor |
| SVID | S-Video | SVR4 |
| SVRC | SVS | swab |
| SWAG | swap | swap file |
| swapped in | swapped out | swapping |
| swap space | Sweden | SweetLambda |
| swf | Swing | SWI-Prolog |
| Swiss Army Code | switch | Switched Multimegabit Data Service |
| switched virtual circuit | switched virtual connection | switching |
| switching hub | switch statement | swizzle |
| SWL | SWT | swung dash |
| sy | Sybase, Inc. | Sybase SQL Server |
| SYDEL | SYGMA | SYLK |
| syllogism | Sylvan | Symantec |
| SYMBAL | SymbMath | SYMBOLANG |
| Symbolic Assembler Program | SYMBOLIC ASSEMBLY | Symbolic Automatic INTegrator |
| symbolic inference | Symbolic Link | symbolic link |
| symbolic logic | Symbolic Mathematical Laboratory | symbolic mathematics |
| Symbolic Optimal Assembly Program | Symbolic Optimum DEUCE Assembly Program | Symbolics, Inc. |
| Symbol Manipulation Program | symlink | symmetric |
| symmetric key cryptography | Symmetric LISP | symmetric multiprocessing |
| symmetric multiprocessor | Symphony | SYMPL |
| SYN | sync | Synchronized Multimedia Integration Language |
| synchronous | Synchronous Data Link Control | Synchronous Digital Hierarchy |
| Synchronous DRAM | Synchronous Dynamic Random Access Memory | Synchronous Graphics RAM |
| Synchronous Graphics Random Access Memory | Synchronous idle | synchronous key encryption |
| Synchronous Optical NETwork | syncronous | synflood |
| synonym ring | syntactic salt | syntactic sugar |
| syntax | Syntax-Case | syntax directed translation |
| Syntax/Semantic Language | syntax tree | synthesis |
| Synthesizer Specification Language | sypware | SyQuest Technology, Inc. |
| sysadmin | sysape | Sysdeco Mimer AB |
| sys-frog | SYSKEY | SYSLISP |
| sysop | Sysplex | sysprog |
| system | System/360 | System/370 |
| System 5 | System 7.5 | System Account Manager |
| system administration | system administrator | system analysis |
| system analyst | system board | system call |
| system catalog | System Control Language | Systeme International |
| System F | System International | system management |
| System Management Bus | System Management Mode | System Management Server |
| system manager | system mangler | system operator |
| System Product Interpreter | system programming language | System R |
| Systems Administrators Guild | systems analysis | Systems Analysis Definition |
| systems analyst | Systems Application Architecture | Systems Development Life Cycle |
| systems jock | Systems Network Architecture | system software |
| systems operator | systems programmer | systems programming |
| system testing | system unit | System V |
| System V Interface Definition | Système International | Système International d'Unités |
| systolic array | SysVile | sz |
| T | T1 | T1 line |
| T1 rate | T3 | T3 line |
| TA | TAA | TAB |
| table | table locking | tablespace |
| TABLET | TABLOG | tab-separated values |
| TABSOL | Tabulating Machine Company | TAC |
| TACL | TACPOL | Tactile User Interface |
| tag | Tagged Image File Format | tagged queueing |
| tagged types | tag name | tail call optimisation |
| tail call optimization | tail circuit | tail recursion |
| tail recursion modulo cons | tail recursion optimisation | tail-strict |
| TAL | TALE | Taligent |
| talk | talk bomb | talker system |
| talk mode | TALL | tall card |
| Tandem Application Language | Tandem Computers | Tandy |
| Tanenbaum, Andrew | Tangible User Interface | tanked |
| TANSTAAFL | TAO | TAOS |
| TAP | tap | tape |
| tape archive | tape drive | tape head |
| Tape Operating System | TAPI | tar |
| tar and feather | tarball | targa |
| Targa Graphics Adapter | target | Target-Machine Description Language |
| TARTAN | taskbar | Task Control Block |
| task scheduling | TASM | TASS |
| taste | tatar | tau |
| tautological probability | tautological set | tautology |
| TAWK | Taxis | tayste |
| taz | TB | TBF |
| TBIL | TBK | Tbl |
| tc | T-carrier system | TCB |
| TCGS | TC/IX | Tcl |
| Tcl Consortium | tcl-debug | Tcl-DP |
| tclhttpd | TclX | TCM |
| TCO | Tcode | TCOL |
| TCOL.Ada | TCP | TCPIP |
| TCP/IP | tcsh | Tcsim |
| TCVN 5773 | TCVN 6056 | td |
| TDD | TDEL | TDF |
| TDFL | TDI | TDM |
| TDMA | TDR | Teamwork |
| Technical/Office Protocol | Technion | technology |
| Technology Enabled Relationship Manager | Technology of Object-Oriented Languages and Systems | TechRef |
| TECO | tee | TEI |
| telco | TELCOMP | Telecommunication Display Device |
| Telecommunications Device for the Deaf | Telecommunications Industry Association | telecommuting |
| teledildonics | telegraphy | telematics |
| TelEnet | TELEPAC | Telephone Application Program Interface |
| telephony | Telephony Application Programming Interface | Telephony User Interface |
| Telerat | Telescope User Interface | Telescript |
| Teletype | teletype | Teletype Corporation |
| teletypewriter | TeleUSE | television |
| Television Interface Adapter | TELNET | Telocator Alphanumeric Protocol |
| Telon | TELOS | TELSIM |
| template | template code | template wizard |
| TEMPLOG | TEMPO | Tempo |
| temporal database | temporal logic | Tempura |
| Ten15 | tendinitis | TenDRA |
| ten-finger interface | tennis elbow | tense |
| tensor product | tenured graduate student | tera- |
| terabyte | teraflop | teraflop club |
| TERM | TERMAC | termcap |
| terminak | terminal | Terminal Access Controller |
| Terminal Adapter | Terminal Adaptor | terminal brain death |
| terminal emulation | terminal emulator | terminal illness |
| terminal junkie | terminal node | Terminal Oriented Real Time Operating System |
| Terminal Oriented Social Science | Terminal Productivity eXecutive | terminal server |
| Terminal User Interface | Terminate and Stay Resident | termination analysis |
| terminator | term rewriting system | Terms Of Service |
| ternary | terpri | terrabyte |
| Terse | test | test coverage |
| test-driven development | testing | TET |
| TeX | TeX-78 | TeX-82 |
| Texas Instruments | Texinfo | TeX point |
| text | text-based | text editor |
| Text Encoding Initiative | text file | Text Processing Utility |
| Text Reckoning And Compiling | text segment | Text To Speech |
| Textual User Interface | texture | tf |
| TFDL | TFT | TFTP |
| tg | TGA | T-gen |
| TGS-II | TGS Systems | tgz |
| th | thanks in advance | That's not a bug, that's a feature! |
| T.H.E | The Cuckoo's Egg | The Dojo Toolkit |
| The Force | The Internet Account | The MathWorks, Inc. |
| The Metadata Company | The Microsoft Network | The Mythical Man-Month |
| The Network | THEO | theology |
| The Open Group | theory | theory change |
| The Real-Time Operating System Nucleus | There's More Than One Way To Do It | Theseus |
| The story of Mel | The story of Mel, a Real Programmer | The World Of Cryton |
| the X that can be Y is not the true X | thicket | thick Ethernet cable |
| thick film dielectric electroluminescence | thicknet | thin client |
| thin Ethernet cable | ThingLab | Think C |
| Thinking Machines Corporation | thinko | thinnet |
| third generation computer | third generation language | third normal form |
| This can't happen | this dictionary | This time, for sure! |
| thn | Thomas | thrash |
| thrashing | thread | threaded |
| threaded code | threading | Thread Language Zero |
| thread-safe | three-finger salute | three-letter acronym |
| three-tier | throughput | thud |
| Thumb | thumb | thumbnail |
| Thunderbird | thunk | TIA |
| tick | TickIT | Tickle |
| tickle a bug | tick-list features | TIFF |
| tiger team | tight loop | tilde |
| TILE Forth | Tim Berners-Lee | time bomb |
| time complexity | Time Complex Simulator | time division multiple access |
| time division multiplexing | Time Domain Reflectometer | timeout |
| time quantum | time-sharing | Time Sharing Option |
| time shifting | Time Simulator | time sink |
| time slice | times-or-divided-by | time T |
| Time to Live | time zone | Tim Peters |
| Timsort | TINC | Tinman |
| tinman+ | TINT | tint |
| Tiny | Tiny BASIC | Tiny Basic Interpreter Language |
| Tiny Clos | Tiobe | TIP |
| TIPL | tip of the ice-cube | tired iron |
| tits on a keyboard | tj | Tk |
| tk | TK-90X | TK-95 |
| T. Kohonen | TK!Solver | TL0 |
| TL1 | TLA | TLAs |
| TLB | TLD | TLI |
| TL/I | T Lisp | TLS |
| TLTR | TM | tm |
| TMDL | TMG | TMRC |
| TMRCie | TMS 9900 | tn |
| tn3270 | TNC | TNSTAAFL |
| TNX | TNXE6 | to |
| to a first approximation | toast | toaster |
| toasternet | to a zeroth approximation | toggle |
| TOK | token | token bus |
| token ring | Tomcat | TomeRaider |
| Tom Knight | tone | Tony Hoare |
| tool | toolbar | toolbook |
| Toolbuilder | Tool Builder Kit | Tool Command Language |
| TOOLS | toolsmith | TOP |
| top-down design | Top-Down Model | topic drift |
| topic group | topic map | topic thread |
| top-level domain | topology | TOPS-10 |
| TOPS-20 | Tornado | Toronto Euclid |
| torrent | TORTOS | TOS |
| Toshiba Corporation | TOSS | total function |
| totally ordered | totally ordered set | total ordering |
| toto | touchpad | touch screen |
| tourist | tourist information | Towers of Hanoi |
| Tower Technology Corporation | toy | Toy/Ada |
| toy language | Toyohashi University Parallel Lisp Environment | toy problem |
| toy program | tp | TPA |
| TPF | TP/IX | TPL |
| TPO | TPS | tptc |
| TPU | TPX | tr |
| TRAC | traceroute | trace scheduling |
| track | track ball | tracker ball |
| tracking | tracking cookie | tracking file |
| trackpad | TrackPoint | tractor feed |
| TrafoLa | Trafola-H | trampoline |
| TRANDIR | TRANQUIL | TRANS |
| transaction | Transaction Application Language | Transaction Processing Facility |
| transceiver | TRANSCODE | transducer |
| transfer | transfer full | transfer none |
| transfer of control | transfer rate | transfer syntax |
| transfinite induction | transformation | transient |
| Transient Program Area | transistor | Transistor-Transistor Logic |
| TRANSIT | transition ad | transitive |
| transitive closure | transit network | Translation Look-aside Buffer |
| Transmission Control Protocol | transparent | transparent audio coding |
| Transport Driver Interface | transport layer | Transport Layer Interface |
| Transport Layer Security protocol | Transport Level Interface | Transport Service Access Point |
| transputer | TRANS-USE | trap |
| trap door | trap-door function | trash |
| Trash-80 | traveling salesman problem | travelling salesman |
| travelling salesman problem | traversal | traverse |
| traversing | trawl | tree |
| tree-killer | tree shaking | TREET |
| TREETRAN | Tree Transformation Language | treeware |
| Trellis | Trellis Code Modulation | Trident |
| trigger | trigger finger | TRIGMAN |
| trillion | Trilogy | triple DES |
| tri state | trit | Triton |
| Triton II | Triton VX | Trivial File Transfer Protocol |
| TRO | troff | troglodyte |
| troglodyte mode | trojan | Trojan horse |
| Trojan:Win32/Ymacco.AAB8 | TROLL | troll |
| TRON | tron | Trouble Came Back |
| TRS | TRS-80 | Truchet point |
| True BASIC | true colour | true hacker |
| TRUENAME | TrueType | Trumpet |
| TRUSIX | truth table | TS |
| TSAP | TSEE | TSIA |
| Tsim | TSL-1 | TSO |
| TSP | TSR | TSV |
| tt | TTD | TTFN |
| TTL | TTS | tty |
| TTYL | TUB | TUBA |
| tube | tube time | Tuckals |
| TUI | Tukey, John | Tuki |
| tunafish | tune | tunneling |
| tunnelling | Tunny Emulator | TUPLE |
| tuple | tuple calculus | Tuple Space Smalltalk |
| tupling | Turbo C | Turbo C++ |
| Turbo Debugger | turbo nerd | Turbo Pascal |
| Turbo Prolog | Turing | Turing Machine |
| Turingol | Turing Plus | Turing tar-pit |
| Turing test | turist | TURN |
| turn-key | turtle graphics | TUTOR |
| Tuxedo | TV | tv |
| tw | TWAIN | tweak |
| tweening | tweeter | TWENEX |
| Twente Compiler Generator System | Twentel | twiddle |
| TWIG | twilight zone | twink |
| twinning | Twin Vector Quantization | twip |
| twirling baton | twisted pair | twisted pair only |
| Twitter | twm | two-binary, one-quaternary |
| twonkie | two-phase commit | twos complement |
| two-to-the-N | two-valued logic | TX-0 |
| TXL | TYMCOM-X | TYMNET |
| Tymshare, Inc. | type | type-ahead |
| type-ahead search | type assignment | type class |
| typed lambda-calculus | TypedProlog | typeface |
| type inference | type scheme | typo |
| typographical error | typography | TYPOL |
| typo squatter | tyt | TZ |
| tz | ua | UAN |
| UART | UAT | UAW |
| UBASIC | UBD | ubiquitous computing |
| uC++ | UCB | UCHO |
| U-Code | UCP | UCS |
| UCSD Pascal | UCS transformation format | UCX |
| udb | UDDI | UDF |
| UDMA | UDP | uemacs |
| UFO | UFO bug | ug |
| UGLIAC | UHELP | UI |
| uid | UIDL | UIL |
| UIMS | UIMX | UIS |
| uk | UKC | UKERNA |
| UKUUG Ltd. | ULCC | Ulm's Modula-2 System |
| ULP | Ultra64 | Ultra-ATA |
| Ultra DMA | Ultra-SCSI | Ultrix |
| um | UMB | UMB Scheme |
| UMDL | UML | uML |
| UMTS | unary | unary operator |
| UNC | UNCL | UNCOL |
| uncompression | uncountable | uncurry |
| uncurrying | undefined | undefined external reference |
| underflow | Undernet | underscore |
| under the hood | undocumented feature | U-NET Limited |
| unfold | unfold/fold | UNI |
| unicast | Unicode | UniCOMAL |
| Unicorny | unicos | Uniface |
| unification | Unified Han | Unified Modeling Language |
| unifier | UNIFORM | Uniform Naming Convention |
| Uniform Resource Citation | Uniform Resource Locater | Uniform Resource Locator |
| Uniform Resource Name | Uniform Resource Number | Unify |
| unify | Unify Corporation | Unihan |
| uninstaller | uninteresting | Uninterruptible Power Supply |
| union | Unipalm Group plc | Unipress Software, Inc. |
| uniprocessor | UNIQUE | Unique ID Listing |
| unique key | unique sales point | Unir Tech |
| UNISAP | Unisys Corporation | United Kingdom Education and Research Networking Association |
| United Kingdom Unix Users Group | United Technologies Research Cente | Unit Separator |
| unit testing | UNITY | Univac |
| Universal algebra | Universal Asynchronous Receiver/Transmitter | Universal Character Set |
| Universal Communications X | Universal Computer Protocol | Universal Debugger |
| Universal Description, Discovery, and Integration | Universal Disk Format | Universal Naming Convention |
| universal quantifier | Universal Resource Identifier | Universal Resource Locator |
| Universal Serial Bus | universal thunk | Universal Time |
| Universal Time Coordinated | universe of discourse | University of Arizona |
| University of California at Berkeley | University of Durham | University of East London |
| University of Edinburgh | University of Hawaii | University of Iceland |
| University of London Computing Centre | University of Michigan | University of Michigan Digital Library Project |
| University of Minnesota | University of Nijmegen | University of Pennsylvania |
| University of Tasmania | University of Twente | Unix |
| Unix box | Unix brain damage | Unix conspiracy |
| Unix International | Unixism | Unix man page |
| Unix manual page | Unix System V | Unix to Unix Copy |
| UnixWare | Unix weenie | Unix wizard |
| Unlicense | unnormalised | unproto |
| unshar | unshielded twisted pair | unstable |
| unswizzle | until | untyped |
| unwind-protect | unwind the stack | UN*X |
| unzip | up | uparrow |
| UPenn | upgradability | upgrade |
| upgradeability | upload | UPMAIL Tricia Prolog |
| upper bound | Upper Layer Protocol | upper memory block |
| Upper Side-Band modulation | Upright Database Technology AB | UPS |
| upstream | upthread | upward closure |
| Uranus | urban legend | URC |
| urchin | URI | URL |
| URL forwarding | URL redirection | URN |
| URouLette | US | us |
| usability | USAModSim | usa.net |
| US-ASCII | USB | USB 2.0 |
| USB Adapter Card Support | USB drive | USE |
| Usenet | Usenet news | Usenetter |
| USENIX | user | user acceptance testing |
| user base | User Brain Damage | User Datagram Protocol |
| user experience | user-friendly | user id |
| user identifier | user interface | user interface copyright |
| User Interface Language | user name | User Network Interface |
| user-obsequious | user-unctuous | Use the Source Luke |
| USG Unix | usim | USL |
| USP | USR | usr |
| US Robotics | U.S. Robotics, Inc. | USSA |
| UTC | UTF | UTF-8 |
| utility | utility-coder | utility program |
| utility software | UTOPIST | UTP |
| UTRC | UTSL | uucp |
| UUCPNET | uudecode | uuencode |
| UUNET PIPEX | UUPC | UX |
| uy | uz | V |
| V.10 | V.11 | V.17 |
| V.21 | V.22 | V.22bis |
| V.23 | V.24 | V.25 |
| V.25 bis | V.27 ter | V.28 |
| V.29 | V.32 | V.32bis |
| V.32ter | V.34 | V.35 |
| V.42 | V.42bis | V.90 |
| V.91 | va | vacuum tube |
| vadding | VAL | Valencia Simple Tasker |
| valency | Valid | validation |
| value | Value Added Network | value added reseller |
| value added retailer | valve | vampire tap |
| VAN | vanilla | vanity domain |
| vannevar | Vannevar Bush | vaporware |
| vapourware | VAR | var |
| varchar | variable | Variational Graphics eXtended |
| VAX | VAX DOCUMENT | VAXectomy |
| VAXen | vaxherd | vaxism |
| VAX MIPS | vaxocentrism | VAXset |
| VAXstation | VAX/VMS | VB |
| VBA | vbell | VBScript |
| vbx | vc | VCC filtering |
| VCD | VCID | VCL |
| VCODE | VCPI | VCR |
| vdiff | VDL | VDM |
| VDM++ | VDM-SL | VDSL |
| VDT | VDU | vdx |
| ve | vector | Vector C |
| vector font | vector graphics | vector processor |
| vector space | VECTRAN | VEE |
| veeblefeetzer | veeblefester | veeblefetzer |
| VEL | Vendor Independent Messaging | ventilator card |
| Ventura Publisher | Venus flytrap | verbage |
| verbiage | Verdi | verification |
| Verilog | Verilog SA | Veronica |
| Versa Module Europa | version | Version 7 |
| vertical application | vertical bar | vertical encoding |
| vertical loop combination | vertical microcode | Vertical Redundancy Check |
| vertical refresh rate | vertical scan rate | Very Efficient Speculative Parallel Architecture |
| Very high bit-rate Digital Subscriber Line | Very Large Database | Very Large Memory |
| Very Large Scale Integration | Very Long Instruction Word | Very Small Aperture Terminal |
| VESA | VESA Local Bus | VESPA |
| V.FAST | VFAT | V.FC |
| vg | VGA | VGQF |
| vgrep | VGX | VHDL |
| VHE | VHLL | vhost |
| VHS | vi | VIC-20 |
| victim cache | video | video adaptor |
| video card | Video Compact Disc | video compression |
| video conference | video conferencing | video dial tone |
| video display standard | video display terminal | Video Electronics Standards Association |
| Video Graphics Adapter | Video Graphics Adaptor | Video Graphics Array |
| video memory | Video on Demand | video RAM |
| video random-access memory | video terminal | videotex |
| Vienna Definition Language | Vienna Definition Method | Vienna Development Method |
| Vienna Development Method Specification Language | Vienna Fortran | Vietnamese |
| viewer | ViewPoints | Views |
| VIF | Vi Improved | VIM |
| Vincennes LISP | vines | Vine Technology |
| Vint Cerf | Vinton Cerf | Viola |
| virgin | virgule | Viron |
| virtual | virtual 86 mode | virtual address |
| virtual cache | virtual circuit | Virtual Circuit Identifier |
| virtual connection | Virtual Control Program Interface | Virtual Device Driver |
| Virtual Device Location | virtual disk | Virtual Home Environment |
| virtual host | Virtual LAN | Virtual Loadable Module |
| Virtual Local Area Network | Virtual Machine | virtual machine |
| Virtual Machine/Conversational Monitor System | Virtual Machine Environment | Virtual Machine/ESA |
| virtual machine manager | Virtual Machine/System Product | Virtual Machine/XA |
| virtual memory | Virtual Memory System | virtual path |
| virtual point of presence | virtual PoP | Virtual Private Network |
| virtual reality | Virtual Reality Modeling Language | Virtual Sequential Access Method |
| virtual server | virtual shredder | Virtual Software Factory |
| Virtual Storage Access Method | Virtual Storage Extended | Virtual Telecommunications Access Method |
| virus | viruses | visible bell |
| VisiCalc | visionary | visit |
| Visual BASIC | Visual Basic for Applications | Visual BASIC Script |
| visual bell | Visual C++ | Visual Component Library |
| Visual dBASE | Visual Display Unit | Visual FoxPro |
| Visual Interface | visualisation | visual language |
| visual programming | visual programming environment | visual programming language |
| VisualWorks | VITAL | VIVID |
| viz | VLAN | VLB |
| VLDB | Vlisp | VLIW |
| VLM | VLSI | VLSM |
| VM | VM/CMS | VME |
| VMEbus | VME Microsystems International Corporation | VM/ESA |
| VML | VMS | VM/SP |
| VM/XA | vn | vocoder |
| vocoding | VoD | voice mail |
| voice-net | Voice over IP | voice recognition |
| VoIP | volatile | volatile memory |
| volatile storage | volatile variable | voltage |
| Volume Table Of Contents | von Neumann architecture | von Neumann integer |
| von Neumann, John | von Neumann machine | von Neumann ordinal |
| voodoo programming | Voronoi diagram | Voronoi polygon |
| VOS | Voters Telecommunications Watch | voxel |
| V.pcm | VPL | VPN |
| VP-Planner | VQF | VR |
| VRAM | VRC | Vrije Universiteit, Amsterdam |
| VRML | VRTX | VSAM |
| VSAT | VSCM | VSE |
| V series | VSF | VSP |
| VSTa | VSX | VT |
| vt100 | vt220 | VTAM |
| VTC | VTOC | VTS |
| VTW | vu | VUE |
| VUIT | VULCAN | Vulcan death grip |
| Vulcan nerve pinch | vulnerability | vulture capitalist |
| VUP | VxD | VXI |
| VxWorks | W2K | W3 |
| W3C | W3 Consortium | WA-12 |
| wabbit | Wabi | WabiServer |
| wacco | Wafe | WAFL |
| WAIS | WAITS | wait state |
| waldo | walk | walking drives |
| walk off the end of | wall | wall clock time |
| wall follower | wallpaper | wall plate |
| wall time | WAM | WAN |
| Wang Laboratories | wango | Wang PC |
| wank | wannabee | want list |
| WAP | WAP Forum | warchalk |
| Ward Christensen | Ward Cunnigham | wardialer |
| wardriving | warez | WarGames |
| warlording | warm boot | Warm Silence Software |
| Warp | wart | washing machine |
| Wasserman | WATBOL | Watcom C/C++ |
| Watcom International | Watcom SQL | Watcom VX*REXX |
| Waterfall Model | water MIPS | WATFIV |
| WATFOR | wav | WAVE |
| wave a dead chicken | wave division multiplexing | Waveform Generation Language |
| wavelength division multiplexing | wavelet | wavetable |
| wavetable synthesis | WaZOO | wb |
| WBEM | WBMP | WBS |
| WCDMA | WCL | WD |
| WDASM | WDM | WE |
| Weak Head Normal Form | weakly typed | weak typing |
| weasel | web | Web 2.0 |
| web2c | web address | web authoring |
| Web-Based Enterprise Management | web browser | webcam |
| webcasting | WebCGM | WebCOMAL |
| web consortium | web cramming | WebCrawler |
| WebDAV | Web Distributed Authoring and Versioning | webhead |
| web host | web hosting | WEB - language |
| weblint | web log | web mail |
| webmaster | webmistress | webmonkey |
| WebObjects | web page | web proxy |
| Web Request Broker | web server | Web Service Definition Language |
| Web Services | Web Services Business Process Execution Language | website |
| web smith | Webster | Webster's Dictionary |
| wedged | wedgie | wedgitude |
| Weeble | weeds | weenie |
| Weenix | weighted search | well-behaved |
| well-connected | well-known port | well-ordered set |
| WEP | Wesley Clark | Western Digital Corporation |
| Westmount | wetware | wf |
| WFL | WfMC | WFW |
| WFWG | WG | WGL |
| whack | whacker | whales |
| whalesong | whatis | What's a spline? |
| What You Get Is What You Never Thought You Had | What You See Is All You Get | What You See Is What You Get |
| wheel | wheel bit | wheel wars |
| When It's Done | Whetstone | Which Stands For Nothing |
| while | while loop | Whirlwind |
| White Book | White book CD-ROM | white box testing |
| White pages | white paper | white point |
| Whitesmiths style | whitespace | white trash |
| WHNF | whois | whole number |
| Whopper | WHQL | WIBNI |
| WIC | Wide Area Information Servers | Wide Area Network |
| Wide Area Telecommunications Service | Wideband ATM | Wide SCSI |
| widget | wi-fi | Wi-Fi Protected Access |
| Wi-Fi Protected Access Pre-Shared Key | wiggles | wiki |
| WiLAN | Wild_LIFE | wild card |
| Wilf Hey | William Gibson | William Hamilton |
| William Joy | WIMP | WIMP environment |
| win | Win2K | Win32 |
| Win32s | WIN386.SWP | Win 95 |
| Win 98 | winchester | windowing |
| windowing system | window manager | Window RAM |
| Window Random Access Memory | Windows | Windows 1 |
| Windows 2 | Windows 2000 | Windows/286 |
| Windows 2K | Windows 3.0 | Windows 3.1 |
| Windows 3.11 | Windows/386 | Windows 4GL |
| Windows 94 | Windows 95 | Windows 98 |
| Windows 9X | Windows Application Binary Interface | Windows CE |
| Windows for Workgroups | Windows for Workgroups 3.1 | Windows for Workgroups 3.11 |
| Windows Hardware Quality Labs | window shopping | Windows Internet Naming Service |
| Windows Management Interface | Windows ME | Windows Messaging |
| windows messaging | Windows Millennium Edition | Windows NT |
| Windows NT 3.1 | Windows NT 3.5 | Windows NT 4 |
| Windows NT 5 | Windows NT Network Model | Windows Open Service Architecture |
| Windows Registry | Windows sockets | Windows XP |
| Windows XP Pro | Windows XP Professional Edition | window system |
| Windoze | Wind River Systems | winged comments |
| winkey | WinMaker Pro | WINS |
| Winsock | WinSoft Products Ltd | wintel |
| WINZIP | wired | Wired Equivalent Privacy |
| wirehead | wireless | Wireless Application Protocol |
| wireless bitmap | Wireless Encryption Protocol | wireless hotspot |
| wireless local area network | Wireless Local Loop | Wireless Transport Layer Security |
| wirewater | WISCII | wish list |
| Wisp | within delta of | within epsilon of |
| wizard | Wizard Book | wizardly |
| wizard mode | WizDOM | wk1 |
| WLAN | WLL | WMA |
| wmf | WMI | WML |
| WMV | WNPP | WO |
| Wolfram Research, Inc. | WOM | woman |
| WOMBAT | wombat | wombat.doc.ic.ac.uk |
| WonderPop | Woodenman | woofer |
| WOOL | Worcester Polytechnic Institute | Word |
| word | Word for Windows | WordNet |
| WordPerfect | WordPerfect Corporation | word processing |
| word processor | word size | word spamming |
| WordTech | word wrap | workaround |
| Work Breakdown Structure | workflow | Workflow Management Coalition |
| workgroup | working as designed | working memory |
| working set | working set model | Work Needed and Prospective Packages |
| work path | worksheet | workstation |
| World Time | World-Wide Wait | World-Wide Web |
| World Wide Web Consortium | World Wide Web Worm | WORM |
| worm | wormhole | wormhole routing |
| WOSA | WOSA Extensions for Financial Systems | WOSA/XFS |
| wound around the axle | WPA | WPA Pre-Shared Key |
| WPA-PSK | WPG | WPI |
| WPL+ | wp-login.php | WPOP |
| wps | WRAM | wrap around |
| wrapper | wrats nest | wrb |
| write | WRITEACOURSE | write-back |
| write buffer | Write-Once Read-Many | write-only code |
| write-only language | write-only memory | write protect |
| write-through | write-thru | writing system |
| Wrong Thing | WRT | ws |
| WSBPEL | WSDL | WSFN |
| WSL | WTF | WTFPL |
| WTH | WTLS | Wumpus |
| WWW | WWW browser | WWWW |
| WYGIWYNTYH | WYSIAYG | WYSIWYG |
| WYSWYG | X | X-1 |
| X11R4 | X11R5 | X11R6 |
| X.12 | X2 | X.208 |
| X.209 | X.21 | X.214 |
| X.215 | X.216 | X.217 |
| X.219 | X.224 | X.225 |
| X.226 | X.227 | X.229 |
| X.25 | X.28 | X.29 |
| X.3 | X3J16 | X3T10 |
| X.400 | X.409 | X.500 |
| X.680 | X.75 | x86 |
| x86 processor socket | XA | Xaw |
| Xbase | xbeeb | xbm |
| XC | X client | X Consortium |
| Xcoral | xdbx | X-Designer |
| X.desktop | XDL | XDR |
| XDS 530 | XDS 940 | xDSL |
| Xemacs | XENIX | Xeon |
| xerox | XEROX Corporation | Xerox Data Systems Model 530 |
| Xerox Data Systems Model 940 | XEROX Network Services | Xerox Network System |
| XEROX PARC | Xerox Star | XFree86 Project, Inc. |
| XFS | Xfun | XGA |
| XGA-2 | XHTML | Xi |
| XIE | Xilinx, Inc. | Xilinx Netlist Format |
| X Image Extension | Xlib | xlisp |
| xls | XML | xmlrpc.php |
| XML schema | XML Template Pages | XML User-Interface Language |
| XMM | XMODEM | XMODEM-1K |
| xmosaic | XMS | XNF |
| xnf2ver | XNS | XOFF |
| XON | XON/XOFF | Xopen |
| X/Open | X/open Portability Guide | X/Open System Interface |
| xor | XP | XPC |
| XperCASE | XPG | XPG3 |
| XPL | xpm | XPOP |
| XP Pro | Xpress Transport Protocol | X protocol |
| xref | XRemote | XRN |
| XSB | XScheme | x-scm |
| XSD | X server | XSI |
| XSL | XSLT | XT |
| Xt | XT bus architecture | xterm |
| X terminal | XTI | XTP |
| XTP Forum | XTRAN | XUI |
| XUL | Xv++ | XVGA |
| XView | XVT | X-Windows |
| X Window System | XWIP | xxgdb |
| XXX | Xy-pic | xyzzy |
| Y | Y2K | YA- |
| Yaa | YABA | yacc |
| YADE | YAFIYGI | YAGNI |
| Yahoo | Yale Haskell | Yamaha |
| YAML | YAML Ain't Markup Language | yank |
| YAPS | YASOS | YAUN |
| Yay | ye | Year 2000 |
| Yellow | Yellow Book | Yellow Book CD-ROM |
| Yellow Book, Jargon | Yellow Box | Yellow Pages |
| yellow wire | Yerk | Yet Another |
| Yet Another Compiler Compiler | Yet Another Scheme Object System | Yet Another Yacc |
| YGMTPO | YLISP | YMMV |
| YMODEM | YMODEM-G | yocto- |
| Yoda condition | YOL Computers | yotta- |
| yottabyte | You are not expected to understand this | You aren't gonna need it |
| Yourdon | Yourdon/Constantine | Yourdon/Demarco |
| Yourdon, Inc. | Yourdon methodology | Your mileage may vary |
| youtube.com | YouTube, Inc. | Yow! |
| yoyo mode | YP | YSM |
| yt | YTalk | yu |
| Yu-Shiang Whole Fish | Z | Z++ |
| Z-1013 | Z180 | Z3 |
| Z39.50 | Z8 | Z80 |
| Z8000 | za | ZAP |
| zap | ZAPP | Z-buffer |
| ZEBRA | Zed | Zen |
| zen | ZENO | zepto |
| Zermelo Fränkel set theory | Zermelo set theory | ZERO |
| zero | Zero and Add Packed | zero assignment |
| zero-content | Zero Insertion Force | zeroth |
| ZEST | ZetaLisp | zetta- |
| zettabyte | Zeus | ZFC |
| ZF expression | ZIF | zigamorph |
| ZIL | Zilog | Zilog Z280 |
| Zilog Z8 | Zilog Z80 | Zilog Z8000 |
| Zilog Z80000 | Zilog Z80A | zip |
| Zipcode | Zip disc | Zip disk |
| Zip Drive | zip file | zip function |
| zipped | zipped file | zipperhead |
| zm | ZMODEM | ZOG |
| ZOLA Technologies | zombie | zombie process |
| zone | Zoo | zoo |
| zoom | Zoomer | ZOPL |
| zorch | Zork | zorkmid |
| z/OS | zr | zsh |
| Z shell | ZUG | Zulu time |
| ZUSE | Zuse | Zuse, Konrad |
| zw | ZX-80 | ZX-81 |
| zxnrbl | ZX Spectrum | Zynet Ltd. |
| ZyXEL | { | {$formKeywords} |
| {IDF} | {log} | {searchTerms} |
| | | } | ~ |
| ~# | £ | µCurse |
