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;
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 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 programming;
object-oriented programming language;
Object-oriented SQL;
Object-Oriented Turing;
Objectory;
ObjectPAL;
Object Pascal;
Object Persistence Framework;
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;
octal forty;
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-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;
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 Look;
Open Network Computing;
OpenOffice.org;
Open Prolog;
Open Scripting Architecture;
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 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 diff;
optical fiber;
optical fibre;
optical grep;
Optical Mark Reader;
optical mouse;
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;