User’s Manual Glossary-8GlossaryFfast infrared: An industry standard that enables cableless infrared serialdata transfer at speeds of up to 4 Mbps.file: A collection of related information; a file can contain data, programs,or both.fingerprint sensor: The fingerprint sensor compares and analyzes theunique characteristics in a fingerprint.firmware: A set of instructions built into the hardware which controls anddirects a microprocessor’s activities.flash memory: Non-volatile memory that can be written to as well as read.Information in flash memory remains whether or not the computeris receiving power. This type of memory is used to retain yourfingerprint data. See also memory. Compare RAM and ROM.floppy diskette: A removable disk that stores magnetically encoded data.floppy diskette drive (FDD): An electromechanical device that reads andwrites to floppy diskettes.folder: An icon in Windows used to store documents or other folders.format: The process of readying a blank disk for its first use. Formattingestablishes the structure of the disk that the operating systemexpects before it writes files or programs onto the disk.function keys: The keys labeled F1 through F9 that tell the computer toperform certain functions.Ggigabyte (GB): A unit of data storage equal to 1024 megabytes. See alsomegabyte.graphics: Drawings, pictures, or other images, such as charts or graphs,to present information.Hhard disk: A storage device composed of a rigid platter or platters that canbe magnetically coded with data. Hard disks hold much moreinformation than diskettes and are used for long-term storage ofprograms and data. The primary (or only) hard disk in a computer isusually fixed, but some computers have secondary hard disks thatare removable. By default, the hard disk is referred to as drive C.hard disk drive (HDD): An electromechanical device that reads andwrites a hard disk. See also hard disk.hardware: The physical electronic and mechanical components of acomputer system: typically, the computer itself, external disk drives,etc. See also software and firmware.