| ONP |
Open Network Provision |
| ONS |
Object Naming System |
| ONU |
Optical Network Unit |
| OO |
Owner Override |
| OOA |
Object Oriented (System) Analysis |
| OOC |
Object Oriented Concepts |
| OOD |
Object Oriented Design |
| OODBMS |
Object Oriented Database Management System |
| OOE |
Objektorientierter Entwurf |
| OOF |
Out Of Frame |
| OOI |
Object Oriented Implementation |
| OOIS |
Object Oriented Information System |
| OOK |
On Off Keying |
| OOL |
Object Oriented Language |
| OON |
Object Oriented Nonsens |
| OOP |
Object Oriented Pleasure/Programming |
| OOPL |
Object Oriented Programming Language |
| OOPS |
Object Oriented Programming System |
| OOPSLA |
Object Orientied Programming Systems, Languages and Applications |
| OOSA |
Object-Oriented Software Architecture |
| OOT |
Object Oriented Technology |
| OPA |
Overview Pac Attribute |
| OPA |
Open Protocol Architecture |
| OPA |
Old Programmers Association |
| OPAC |
Online Public Access Catalogue |
| OPAL |
Optische Anschlussleitung |
| OPB |
On-Chip Peripheral Bus |
| OPC |
Output Control |
| OPC |
Optical Proximity Correction |
| OPC |
Optical Photo Conductor |
| OPC |
OLE for Process Control |
| OPCAT |
Object Process CASE Tool |
| OPD |
Oberpostdirektion |
| OPD |
Original Point of Distribution |
| OPD |
Output Driver |
| OPEN |
Optical Pan-European Network |
| OPI |
Operator Interface |
| OPI |
Open Prepress Interface |
| OPIC |
Open Programmable Interrupt Controller |
| OPIE |
Open Palmtop Integrated Environment |
| OPL |
Open Publication License |
| OPM |
Output Protection Management |
| OPM |
Operations Per Minute |
| OPM |
Object Process Methodology |
| OPML |
Outline Processor Markup Language |
| OPN |
Open Projects Network |
| OPP |
Open Publication Policy |
| OPS |
Open Profiling Standard |
| OPS |
Online Programming and Simulation |
| OPSEC |
Open Platform for Security |