Glossary 143
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 — Watt-hour(s).
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.
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