References > Glossary > Terms U - Z
| Terms | Definitions |
| UNIX |
A multitasking operating system for serving multiple workstations. |
| UPS |
(Uninterruptable Power Supply) Usually refer to as a backup source of power for a computer system or network. |
| URL |
(Uniform Resource Locator) The address for a document on the internet. |
| VGA |
(Video Graphics Array) An video card that provides for higher resolution then the previous CGA, EGA cards |
| VRML |
(Virtual Reality Modeling Language) A specification for displaying 3-D information on web pages |
| Voice Recognition |
The ability of a computer to recognize spoken language |
| WAN |
(Wide Area Network) Data network that is not restricted by distance. A companies WAN can span over cities, states or countries. |
| XENIX |
A version of UNIX for the PC. |
| XMODEM |
A Microprocessor modem file transfer protocol. |
| Y2K |
A acronym for the year 2000 |
| YMODEM |
A file transfer protocol used between modems |
| Z shell |
A Unix command interpreter shell |
| ZMODEM |
A file transfer protocol with error checking and crash recovery |
| Zip Drive |
A drive made by Iomega Corp. which takes removable 100 megabyte cartridges. |
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