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Sony VAIO Desktop User Guide
Glossary
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System recovery disc
Disc that is supplied with your computer and that enables a VAIO computer user to recover
the hard disk image that was available when the computer was purchased.
UPS
A UPS (Uninterruptible Power Supply) is a device including a battery that protects your
computer from data loss in the event of a power failure. The battery takes over as soon as a
power interruption is detected. If you are using the computer when the power failure
occurs, you have time to save all unsaved data and to shut down your computer.
USB
USB (Universal Serial Bus) is a hardware interface for attaching devices (such as a keyboard,
mouse, joystick, scanner or printer). You can connect up to 127 devices to a USB port. The
USB standard is Hot Plug and Play.
VAIO
Short for Video Audio Integrated Operation. Brand name covering Sony's PC products,
peripherals, accessories and software. VAIO-branded items are all designed to make the best
use of Sony's Audio-Video (AV) and Information Technology (IT) skills.
VGA
The Video Graphics Array (VGA) display system has become the accepted minimum standard
for PCs. You can choose between 16 colours at 640 x 480, or 256 colours at 320 x 200.
WAN
WAN (Wide Area Network) is a computer network connected together and covering a
relatively large geographical area. This is in contrast to LAN, where the network is usually
set up within one building or small geographical area. The largest existing WAN is the
Internet.
XGA
Short for Extended Graphic Array, a graphics standard. An XGA board can provide up to
1,024 x 768 pixels and supports up to 65 thousand colours.
Term Definition