O
O/R Originator / Recipient
OC3 155 Mbit/s
OCR Optical Character Recognition
OCX OLE Control Extension
ODA Open Document Architecture
ODSI Open Directory Service Interfaces
OEM Original Equipment Manufacturer
OI Object Interface
OLE Object Linking and Embedding
OLTEP On-Line Test Executive Program
OLTP On-Line Transaction Processing
OMG Object Management Group
OMR Optical Mark Recognition
OO Objektorientierung
OOA Objektorientierte Analyse
OODBMS Object Oriented DBMS
OOP Objektorientierte Programmierung
OOPL Object Oriented Programming Language
OOPS Object Oriented Programming System
OP Operator Panel
OPI Open Prepress Interface
ORB Object Request Broker
OS Operating System
OS/2 Operating System/2
OSA Office Systems Architecture
OSA Open System Architecture
OSF Open Software Foundation
OSI Open Systems Interconnection
OSI/RM OSI Reference Model
OSNS Open Systems Network Support
OSPF Open Shortest Path First
OSTC Open System Testing Consortium
OTPROM One Time Programable ROM
OWL Object Windows Library
