291folder (also called directory): Part of the organizational structure that allows the operatingsystem to locate files (documents). Each folder holds a number of related filesand folders (subdirectories).font: A complete set of characters of one design and size, used to display information onthe screen or output it to a printer.format: To prepare a blank disk for use with the computer’s operating system. Formattingcreates a structure on the disk so that the operating system can writeinformation to the disk or read information from the disk.frame: An individual picture in film and video. Film has 24 fps. Video has 30 fps. With theSMPTE time code, each video frame has a unique address. On a videodisc, aframe is a block of coherent information (a picture, block of text, etc.). Avideodisc contains 54,000 frames, each with a unique address.full duplex: A type of data transmission in which data flows between two devices in bothdirections simultaneously. See also half duplex.full-motion video: 1) Video sequences or systems that provide the number of images persecond to result in the illusion of smooth motion. 2) The rate of standard videosignals in the U.S. (30 frames per second) and in Europe (25 frames persecond).function keys: The keys labeled F1 through F12. They are located above thealphanumeric keys on the keyboard. Their function is determined by theoperating system and/or individual programs.G gigabyte (GB): A unit of data storage equal to 1,073,741,824 bytes (1024 x 1024 x 1024bytes). See also byte.graphics: Information presented as drawings, pictures or other images, such as charts orgraphs.ground: A conductor to which all components of an electric circuit are connected. It isconnected to the earth and is the point of reference for voltages in the circuit.