Dell PR01X Manual - Page 26

to the system bus. Express Service Code - A numeric code located on a sticker on your Dell™ computer. Use the Express Service Code when contacting Dell for assistance. Express Service Code service may not be available in some countries. extended display mode - A display setting that allows you to use a second monitor as an extension of your display. Also referred to as dual display mode. NOTE: If your computer has two PC Card connectors, always install extended PC Cards in the top connector. extended PC Card - A PC Card that extends beyond the edge of the PC Card slot when installed. NOTICE: Always remove an extended PC Card before packing the computer or traveling. If something strikes the exposed end of the PC Card, the system board may be damaged. F Fahrenheit - A temperature measurement system where 32° is the freezing point and 212° is the boiling point of water. FCC - Federal Communications Commission - A U.S. agency responsible for enforcing communications-related regulations that state how much radiation computers and other electronic equipment can emit. floppy drive - A disk drive that can read and write to floppy disks. folder - A term used to describe space on a disk or drive where files are organized and grouped. Files in a folder can be viewed and ordered in various ways, such as alphabetically, by date, and by size. format - The process that prepares a drive or disk for file storage. When a drive or disk is formatted, the existing information on it is lost. FSB - front side bus - The data path and physical interface between the microprocessor and RAM. FTP - file transfer protocol - A standard Internet protocol used to exchange files between computers connected to the Internet. G G - gravity - A measurement of weight and force. GB - gigabyte - A measurement of data storage that equals 1024 MB (1,073,741,824 bytes). When used to refer to hard drive storage, the term is often rounded to 1,000,000,000 bytes. GHz - gigahertz - A measurement of frequency that equals one thousand million Hz, or one thousand MHz. The speeds for computer microprocessors, buses, and interfaces are often measured in GHz. graphics mode - A video mode that can be defined as x horizontal pixels by y vertical pixels by z colors. Graphics modes can display an unlimited variety of shapes and fonts. GUI - graphical user interface - Software that interacts with the user by means of menus, windows, and icons. Most programs that operate on the Windows operating systems are GUIs. H hard drive - A drive that reads and writes data on a hard disk. The terms hard drive and hard disk are often used interchangeably. heat sink - A metal plate on some microprocessors that helps dissipate heat. help file - A file that contains descriptive or instructional information about a product. Some help files are associated with a particular program, such as Help in Microsoft Word. Other help files function as stand-alone reference sources. Help files typically have a filename extension of .hlp or .chm. hibernate mode - A power management mode that saves everything in memory to a reserved space on the hard drive and