Compatibility Guide

Glossary 107
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.
virtual memory
A method for increasing addressable RAM by using the
hard drive. For example, in a system with 16 MB of RAM
and 16 MB of virtual memory set up on the hard drive,
the operating system would manage the system as
though it had 32 MB of physical RAM.
virus
A self-starting program designed to inconvenience you.
Virus programs have been known to corrupt the files
stored on a hard drive or to replicate themselves until
a computer system or network runs out of memory.
The most common way that virus programs move from
one system to another is via "infected" diskettes, from
which they copy themselves to the hard drive. To guard
against virus programs, you should do the following:
• Periodically run a virus-checking utility on your
system's hard drive
• Always run a virus-checking utility on any
diskettes (including commercially sold software)
before using them
VLSI
Abbreviation for very-large-scale integration.
VLVESA
Acronym for very low voltage enterprise
system architecture.
vpp
Abbreviation for peak-point voltage.
VRAM
Acronym for video random-access memory. Some
video adapters use VRAM chips (or a combination of
VRAM and DRAM) to improve video performance.
VRAM is dual-ported, allowing the video adapter to
update the screen and receive new image data at the
same time.
VRM
Abbreviation fro voltage regulator module.
W
Abbreviation for watt(s).
Wakeup on LAN
The ability for the power in a client station to be turned
on by the network. Remote wake-up enables software
upgrading and other management tasks to be
performed on users' machines after the work day is over.
It also enables remote users to gain access to machines
that have been turned off. Intel calls remote wake-up
"Wake-on-LAN."
Web server
An application that makes Web pages available for
viewing by Web browsers using the HTTP protocol.
WH
Abbreviation for watt-hour(s).
win.ini file
A start-up file for the Windows operating system.
When you start Windows, it consults the
win.ini file
to determine a variety of options for the Windows
operating environment. Among other things, the
win.ini file records what printer(s) and fonts are
installed for Windows. The
win.ini file also usually
includes sections that contain optional settings for
Windows application programs that are installed on
the hard drive. Running the Control Panel or Windows
Setup program may change options in the
win.ini file.
On other occasions, you may need to change or add
options to the
win.ini file manually with a text editor
such as Notepad.