Toshiba Portege A600 PPA61A-00J005 Users Manual Canada; English - Page 225

Glossary F fast infrared: An industry standard that enables cableless infrared serial data 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 the unique characteristics in a fingerprint. firmware: A set of instructions built into the hardware which controls and directs 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 computer is receiving power. This type of memory is used to retain your fingerprint 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 and writes 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. Formatting establishes the structure of the disk that the operating system expects before it writes files or programs onto the disk. function keys: The keys labeled F1 through F12 that tell the computer to perform certain functions. G gigabyte (GB): A unit of data storage equal to 1024 megabytes. See also megabyte. graphics: Drawings, pictures, or other images, such as charts or graphs, to present information. H hard disk: A storage device composed of a rigid platter or platters that can be magnetically coded with data. Hard disks hold much more information than diskettes and are used for long-term storage of programs and data. The primary (or only) hard disk in a computer is usually fixed, but some computers have secondary hard disks that are removable. By default, the hard disk is referred to as drive C. hard disk drive (HDD): An electromechanical device that reads and writes a hard disk. See also hard disk. hardware: The physical electronic and mechanical components of a computer system: typically, the computer itself, external disk drives, etc. See also software and firmware. hertz: A unit of wave frequency that equals one cycle per second. User's Manual Glossary-7