101
Glossary
System Clock
An oscillator of fixed precise frequency which synchro-
nizes the operation of the system and is counted to
provide time of day and date.
TFT
Thin Film Transistor – A technology for flat display
panels which uses a thin film matrix of transistors to
control each pixel of the display screen individually.
UL
Underwriters Laboratories – An independent organiza-
tion that tests and certifies the electrical safety of
devices.
VGA
Video Graphics Array. A video display standard
originally introduced by IBM with the PS/2 series of
personal computers.
VRAM
Video Random Access Memory. A memory dedicated to
video display data and control.
WFM
Wired for Management is Intel’s broad-based initiative
to reduce the total cost of ownership(TCO) of business
computing without sacrificing power and flexibility.
Write Protect
Prevent alteration of the binary state of all bits in a
storage media. Example: all information on a device
such as a floppy diskette; a block of space in a storage
media such as a partition of a hard drive; a file or direc-
tory of floppy diskette or hard drive.
XGA
Extended VGA.
Zip Drive
A 100MB read/write removable media disk drive.
Zoomed Video
A PC Card port which allows notebook PCs to deliver
full screen broadcast quality video through third party
PC Cards, including TV tuners, video capture, and
MPEG full-motion video.
(B6HULHVB&ERRN3DJH)ULGD\-XO\$0