Glossary 195
WWAN — wireless wide area network. A wireless high-speed data network using
cellular technology and covering a much larger geographic area than WLAN. Also
know as Mobile Broadband network.
WXGA — wide-aspect extended graphics array — A video standard for video cards
and controllers that supports resolutions up to 1280 x 800.
X
XGA — extended graphics array — A video standard for video cards and controllers
that supports resolutions up to 1024 x 768.
Z
ZIF — zero insertion force — A type of socket or connector that allows a computer
chip to be installed or removed with no stress applied to either the chip or its socket.
Zip — A popular data compression format. Files that have been compressed with the
Zip format are called Zip files and usually have a filename extension of .zip. A special
kind of zipped file is a self-extracting file, which has a filename extension of .exe. You
can unzip a self-extracting file by double-clicking it.
Zip drive — A high-capacity floppy drive developed by Iomega Corporation that uses
3.5-inch removable disks called Zip disks. Zip disks are slightly larger than regular
floppy disks, about twice as thick, and hold up to 100 MB of data.
book.book Page 195 Friday, November 30, 2007 11:28 AM