is used to restore disk and corrupted files	CRASHED DISC RESCUER
make a PC easier for disabled users to use	ACCESSIBILITY PROGRAM
rewrites data so that it takes less space on disk	COMPREHENSION UTILITIY
lets you watch DVDs, play music and listen to the radio on the Web	MEDIA PLAYER
materials that emit light and produce colours when they are acrivated by electron beam	PHOSPHORS
a flat-panel display which works by emitting light through a special liquid	LCD Screen
the smallest element in a displayed image	PIXEL
the space between a displaye's pixels	DOT PITCH
the frequeny at which a minitor renews its image measured in Hz	REFRESH RATE
technology in which each pixel has its own transistor switch	TFT
means of measuring the brightness of image	CANDELA
shine in an unsteady way	FLICKER
space between lines or surfaces that meet measured in degrees	ANGLE
device creating images with millions of tiny mirrors placed on a chip	DLP
the main transmision patch handling the major data traffic, connecting different LANs together	BACKBONE
a hardware and software combination used to connect the same type of networks	BRIDGE
a device for converting digital sygnals to analogue sygnals and vice versa to enable a computer to-	MODEM
a network contained within a small area e.g. a company department	LAN
a special computer that directs communicating messages when several netwoek are connected together	ROUTER
a main computer that provides a storage area for data files on a network	SERVER
An interface that enables dissimilar networks to communicate sych as two LANs based on different ---	GATE
Graphical user interface	GUI
a system that allows a user to interact with a computer using a combination of inputs such as spee--	MULTIMODAL INTERFACE
software assistant that performs tasks such as retrieving and delivering information and automating	INTELLIGENT AGENT
Text to speech	TTS
a project of the Massachusetts Institute of technology's Artifical Intelligence Lab	The INTELLIGENT ROOM
set boundaries for the beginning and end of a message	BRACKETING
Matchematical calculations based on the contents of data	CHECKSUM
transmision mode in which both computers send and receive at the same time	FULL-DUPLEX
transmision mode in which each computer takes turns sending and receiving	HALF-DUPLEX