| OPA |
Open Protocol Architecture |
| OPA |
Overview Pac Attribute |
| 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 |
One Point Cut |
| OPC |
Optical Photo Conductor |
| OPC |
OLE for Process Control |
| OPCAT |
Object Process CASE Tool |
| OPD |
Output Driver |
| OPD |
Oberpostdirektion |
| OPD |
Original Point of Distribution |
| OPEC |
Organisation of Pertol Exporting Countries |
| OPEN |
Optical Pan-European Network |
| OPI |
Open Prepress Interface |
| OPI |
Operator Interface |
| OPIC |
Open Programmable Interrupt Controller |
| OPIE |
Open Palmtop Integrated Environment |
| OPL |
Open Publication License |
| OPM |
Operations Per Minute |
| OPM |
Object Process Methodology |
| OPM |
Output Protection Management |
| OPML |
Outline Processor Markup Language |
| OPN |
Open Projects Network |
| OPOCE |
Amt für Veröffentlichungen der EU |
| OPP |
Open Publication Policy |
| OPS |
Online Programming and Simulation |
| OPS |
Open Profiling Standard |
| OPSEC |
Open Platform for Security |
| OPT |
Open Protocol Technology |
| opt |
Optionen für Delphi |
| OPTA |
Onafhankelijke Post en Telecommunicatie Autoriteit (NL) |
| OPUS |
Overlay Peer Utility Service |
| OPUS |
Online Publikationsverbund der Universität Stuttgart |
| OPUS |
Octal Program Updating System |
| OPX |
Off Premises Extension |
| OQL |
Object Query Language |
| OQPSK |
Offset Quadrature Phase Shift Keying |
| OR |
Operations Research |
| or2 |
Lotus Organizer 2.x Datei |
| or3 |
Lotus Organizer File |
| ORACLE |
Optional Reception of Announcement by Coded Line Electronics |
| ORB |
Object Request Broker |
| ORBL |
Open Relay Black List |
| ORC |
Oxidation Reduction Catalyst |
| ORDB |
Open Relay Data Base |
| org |
Terminplanerdatei (Lotus Organizer) |