valutazioni - 4, GPA: 4.3 ( )

Produttore : Toshiba File Size : 3.3 mb File Nome : Lingua di insegnamento:

Glossary Glossary driver — See device driver. DVD — An individual digital versatile (or video) disc. See also DVD-ROM. DVD-ROM (digital versatile [or video] disc read-only memory) — A very high-capacity storage medium that uses laser optics for reading data. Each DVD-ROM can hold as much data as several CD-ROMs. Compare CD-ROM. emulation — A technique in which a device or program imitates E another device or program. enable — To turn on a computer option. See also disable. executable file — A computer program that is ready to run. Application programs and batch files are examples of executable files. Names of executable files usually end with a .bat or .exe extension. extension — See file extension. external device — See device. file — A collection of related information, saved on disk with a F unique name. A file may be a program, information used by a program, or a document. See also document. file allocation table (FAT) — The section of a disk that keeps track of the location of files stored on the disk. file name — A set of characters that uniquely identifies a file within a particular folder. It consists of two parts: the actual name and the file name extension. See also file extension. file extension — The three characters following the period (pronounced “dot”) at the end of a file name. The extension indicates the type of file. Examples are .exe for program files and .hlp for help files. See also file name. folder — Also called directory. A container for organizing files saved to a disk. A folder is symbolized on screen by a graphical image (icon) of a file folder. A folder can contain files and other folders. Glossary Glossary format — (verb) To prepare a blank disk for use with the computer’s operating system. Formatting creates a structure on the disk so the operating system can write information to the disk or read information from it. frontside bus — The primary pathway (bus) between the CPU and the computer’s main memory. Also called “system bus.” See also bus. function keys — The keys labeled F1 through F12, typically located on the keyboard. Their function is determined by the operating system and/or individual programs. gigabyte (GB) — A unit of data equal to 1,073,741,824 bytes G (1024 x 1024 x 1024 bytes). See also byte. ground — A conductor to which all components of an electric circuit are connected. It has a potential of zero (0) volts, is connected to the earth, and is the point of reference for voltages in the circuit. hard disk — A storage device composed of a rigid platter or H 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...

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