| OSS |
Open Sound System |
| OSS |
Open Source Software/Solution |
| OSS |
Operational/Operator Support System |
| OSSO |
Open Source Solutions Operation (HP) |
| OSTA |
Optical Storage Technology Association |
| OSTM |
Open System Transaction Management |
| OSTP |
Office of Science and Technology Policy |
| OSVS |
Operating System Virtual Storage |
| OT |
Object Technology |
| OT |
Ordering Table |
| OT |
Open Transport |
| OTA |
US Congress Office of Technology Assessment |
| OTD |
Optical Time Division |
| OTDM |
Optical Time Division Multiplexer/Multiplexing |
| OTDR |
Optical Time Domain Reflectometer |
| OTF |
Open Type Font |
| OTF |
Open Token Foundation |
| OTI |
Original Transmitter Identification |
| OTP |
Open Trading Protocol |
| OTP |
One-Time Pad/Password/Programmable |
| OTR |
One Touch Record/Recording |
| OTRS |
Open Ticket Request System |
| OUI |
Organizationally Unique Identifier |
| OUM |
Ovonic Unified Memory |
| OURS |
Open Users Recommended Solutions |
| OV |
Overflow |
| OVL |
Overlay |
| OVST |
Ortsvermittlungsstelle |
| OWA |
Outlook Web Access |
| OWFS |
Optical WORM File System |
| OWG |
Optical Waveguide |
| OWL |
Object Windows Library |
| P |
Polynomial |
| P |
Packet, Personal, Power, Project, Protocol, Public |
| P2P |
Private To Private |
| P2P |
Peer To Peer |
| P3P |
Platform for Privacy/Private Preferences |
| PA |
Power Amplifier |
| PA |
Public Address (System) |
| PA |
Provider Aggregated |
| PA |
Program/Project Administrator |
| PA |
Preamble |
| PA |
Percentage of Allowable Aliasing Energy |
| PAB |
Policy Advisory Body (Internet) |
| PABX |
Private Access/Automatic Branch Exchange |
| PAC |
Perceptual Audio Coding |
| PAC |
Player Access Control |
| PAC |
PPTP Access Concentrator |
| PAC |
Privilege Attribute Certificate |
| PACE |
Priority Access Control Enabled |