Dell OptiPlex 745 - Manual (Page 82)

your favorite picture and make it wallpaper.
WLAN — wireless local area network. A series of interconnected computers that communicate with each other over the air waves using access points or
wireless routers to provide Internet access.
write-protected — Files or media that cannot be changed. Use write-protection when you want to protect data from being changed or destroyed. To write-
protect a 3.5-inch floppy disk, slide its write-protect tab to the open position.
WWAN — wireless wide area network. A wireless high-speed data network using cellular technology and covering a much larger geographic area than WLAN.
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.
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