| UNC |
Uncorrectable (error) |
| UNC |
University of North Carolina, USA |
| UNI |
User Network Interface |
| UNICOM |
Universal Integrated Communication System |
| UNICORE |
Uniform Interface to Computing Resources |
| UNICOS |
UNIX-based Cray Operating System |
| UNII |
Unlicensed National Information Infrastructure |
| UNIVAC |
Universal Automatic Computer |
| UNIX |
(kein Akronym, not an acronym) |
| UNMA |
Unified Network Management Architecture |
| UNO |
Universal Network Objects |
| UNSW |
University of New South Wales, Australia |
| UP |
User Plane |
| UP |
Unnumbered Poll |
| UPA |
Usability Professionals Association |
| UPA |
Ultra Port Architecture (Sun) |
| UPC |
Universal Printer Controller |
| UPC |
Universal Product Code |
| UPC |
Usage/User Parameter Control |
| UPE |
User Portability Extension |
| UPGS |
Unfinished Project Guilt Syndrome |
| UPI |
United Press International |
| UPI |
Universal Peripheral Interface |
| UPI |
Upper Prediction Interval |
| UPL |
User Program Language |
| UPM |
User Profile Management (IBM) |
| UPM |
Unidirectional Point to Multipoint |
| UPN |
Umgekehrte Polnische Notation, RPN |
| UPP |
Unidirectional Point to Point |
| UPPS |
Universal Portable Protocol Stack |
| UPS |
Uninterruptable Power Supply, USV |
| UPT |
Universal Personal Telecommunication (service) |
| URA |
Uniform Resource Agent |
| URC |
Uniform Resource Characterictics/Citation |
| URI |
Uniform/Universal Resource Identifier |
| URJ |
Unregister Reject |
| URL |
Universal/Uniform Resource Locator (Internet) |
| URM |
Universal Retention Module |
| URM |
Unbegrenzte Registermaschine |
| URN |
Uniform Resource Name/Number |
| URQ |
Unregister Request |
| URSI |
Union Radio-Scientifique Internationale |
| US |
Unit Separator |
| USAN |
University Satellite Network |
| USART |
Universal Synchronous Asynchronous Receiver Transmitter |
| USB |
Upper Side Band |
| USC |
University of Southern California |
| USDC |
US Display Consortium |
| USF |
Uplink State Flag |
| USG |
UNIX Support/System Group (Novell) |