Sony PCG-GR manual 116

Glossary

Sony Notebook User Guide

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	115
Term	Definition
System recovery CD-ROM	CD-ROM 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.
TFT	Short for Thin Film Transistor. Top-of-the-range notebook display for excellent picture
	quality. The TFT technology offers the sharpest resolution for flat displays; each pixel is
	supported by one to four transistors.
TNV	Short for Telecommunications Network Voltage. A secondary circuit that, under normal
	operating conditions, carries telecommunication signals. A typical TNV-circuit is a PSTN
	(Public Switched Telephone Network) modem.
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.
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.