Dell Latitude D630 XFR User Manual

Also see for Latitude D630 XFR: Service manual User guide Technical specifications Quick reference guide

Contents

video resolution — See resolution.virus — A program that is designed to inconvenience you or to destroy data stored on your computer. A virus programmoves from one computer to another through an infected disk, software downloaded from the Internet, or e-mailattachments. When an infected program starts, its embedded virus also starts. A common type of virus is a boot virus,which is stored in the boot sectors of a floppy disk. If the floppy disk is left in the drive when the computer is shut downand then turned on, the computer is infected when it reads the boot sectors of the floppy disk expecting to find theoperating system. If the computer is infected, the boot virus may replicate itself onto all the floppy disks that are read orwritten in that computer until the virus is eradicated.V — volt — The measurement of electric potential or electromotive force. One V appears across a resistance of 1 ohmwhen a current of 1 ampere flows through that resistance.WW — Watt — The measurement of electrical power. One W is 1 ampere of current flowing at 1 volt.WHr — Hatt-Hour — A unit of measure commonly used to indicate the approximate capacity of a battery. For example, a66-WHr battery can supply 66 W of power for 1 hour or 33 W for 2 hours.wallpaper — The background pattern or picture on the Windows desktop. Change your wallpaper through the WindowsControl Panel. You can also scan in your favorite picture and make it wallpaper.WLAN — Wireless Local Area Network. A series of interconnected computers that communicate with each other over theair 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 beingchanged 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 highspeed data network using cellular technology and covering a muchlarger geographic area than WLAN.WXGA — wide-aspect extended graphics array — A video standard for video cards and controllers that supportsresolutions up to 1280 x 800."XXBay — A bay that supports devices such as optical drives, a second battery, or a second hard drive.XGA — extended Graphics Array — A video standard for video cards and controllers that supports resolutions up to 1024 x768.ZZIF — Zero Insertion Force — A type of socket or connector that allows a computer chip to be installed or removed withno 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 andusually have a filename extension of .zip. A special kind of zipped file is a self-extracting file, which has a filenameextension 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 Zipdisks. 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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