uplink port — A port on a network hub or switch used to connect to other hubs or switches without requiring a crossover cable.
UPS — Uninterruptible power supply. A
USB — Universal Serial Bus. A USB connector provides a single connection point for multiple
USB memory key — See memory key.
utility — A program used to manage system
V— Volt(s).
VAC — Volt(s) alternating current.
VDC — Volt(s) direct current.
VGA — Video graphics array. VGA and SVGA are video standards for video adapters with greater resolution and color display capabilities than previous standards.
video adapter — The logical circuitry that provides (in combination with the monitor) your system’s video capabilities. A video adapter may be integrated into the system board or may be an expansion card that plugs into an expansion slot.
video memory — Most VGA and SVGA video adapters include memory chips in addition to your system’s RAM. The amount of video memory installed primarily influences the number of colors that a program can display (with the appropriate video drivers and monitor capabilities).
video resolution — Video resolution (800 x 600, for example) is expressed as the number of pixels across by the number of pixels up and down. To display a program at a specific graphics resolution, you must install the appropriate video drivers and your monitor must support the resolution.
virtualization — The ability via software to share the resources of a single computer across multiple environments. A single physical system may appear to the user as multiple virtual systems able to host multiple operating systems.
W — Watt(s).
WH —
XML — Extensible Markup Language. XML is a way to create common information formats and to share both the format and the data on the World Wide Web, intranets, and elsewhere.
ZIF — Zero insertion force.
