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10 Glossary
U
USB
Universal Serial Bus. This external bus standard supports the connection of up to 127
peripheral devices, such as mice, modems, and keyboards. USB supports plug-and-play
installation on some systems.
V
VersaGlide
A small, touch-sensitive pad used as a pointing device on your NEC Versa notebook
computer. With the VersaGlide, you can move your finger along the pad to move the
cursor or simulate a mouse click by tapping the pad.
VGA
Video Graphics Array. Graphics technology that supports up to 256 colors and a
graphics resolution of 640 by 480 pixels.
volatile memory
Storage media that loses its data when system power is turned off. Standard memory
and memory that you add to the Versa are volatile memory. See nonvolatile memory.
W
warm boot
Process of resetting the computer without turning off the power through keyboard input
(pressing Ctrl, Alt, and Del keys simultaneously). The system returns to an initial or
arbitrarily selected condition.
warm swap
Process of swapping devices in and out of a computer system without turning off the
power. The system must be in a sleep state before removing or inserting a device.
waveform
A graphic representation of a sound wave as displayed on an oscilloscope, which
converts sound waves into electronic signals.
write
To record or store information to a storage device.