| ODN |
Optical Data Network |
| ODP |
Open Distributed Processing |
| ODP |
Open Directory Project |
| ODR |
Optical Digital Reference |
| ODS |
Offenes Deutsches Schulnetz |
| ODS |
Offene Datenschnittstelle |
| ODS |
On Disc Structure (File System) |
| ODS |
Open Data Services |
| ODSI |
Open Directory Service Interface |
| ODTM |
Optical Time Division Multiplexing |
| ODVA |
Open Device-Net Vendor Association |
| OE |
Output Enable |
| OEB |
Open Electronic Book |
| OEBL |
Öffentlicher beweglicher Landfunk |
| OECD |
Organisation for Economic Cooperation and Development |
| OEF |
Origin Element Field |
| OEM |
Original Equipment Manufacturer |
| OEM |
Odd Even Merge (Graph, Netz) |
| OES |
Odd Even Sort (Graph, Netz) |
| OF |
Overflow Flag |
| OFA |
Optimal Flexible Architecture |
| OFB |
Output Feedback |
| OFD |
Optical Frequency Division Demultiplexer/Demultiplexing |
| OFDM |
Orthogonal Frequency Division Multiplex/Multiplexing |
| OFFIS |
Oldenburger Forschungs- und Entwicklungsinstitut für Informatik-Werkzeuge und -Systeme |
| OFHC |
Oxygen Free High Conductivity (Copper) |
| OFM |
Optical Frequency Division Multiplexer/Multiplexing |
| OFS |
Object File System |
| OFS |
Output Field Separator |
| OFTC |
Open and Free Technology Community |
| OFTP |
Odette File Transfer Protocol |
| OFW |
Oberflächenwelle |
| OFX |
Open Financial Exchange |
| OGIS |
Open Geodata Interoperability Specification |
| OGSA |
Open Grid Services Architecture |
| OH |
Off Hook |
| OHCI |
Open Host Controller Interface |
| OHR |
Over Horizon RADAR |
| OID |
Object Identifier (IANA) |
| OIDC |
Object Identifier Component |
| OIDL |
Object Interface Definition Language |
| OII |
(European Commissions) Open Information Interchange (Service) |
| OIRT |
Organisation International de Radio et Television |
| OIS |
Office/Online Information System |
| OIT |
Object Identifier Tree |
| OIU |
Operator Interface Unit |
| OIV |
Object Identifier Value |
| OIW |
OSI Implementors Workshop |
| OK |
Oberer Kanal |
| OKKSA |
Offener Katalog für Kommunale Softwareanforderungen |