Dell Inspiron 1545 Dell™ Technology Guide - Page 344

computers and other electronic equipment can emit. fingerprint reader - A strip sensor that uses your unique fingerprint to authenticate your user identity to help secure your computer. 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 processor 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 processors, 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 processors that helps dissipate heat. hibernate mode - A power management mode that saves everything in memory to a reserved space on the hard drive and then turns off the computer. When you restart the computer, the memory information that was saved to the hard drive is automatically restored. 344