Toshiba Satellite A105-S1711 User Manual - Page 275
expansion device, external device
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275 Glossary 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. E emulation - A technique in which a device or program imitates 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. expansion device - A device that connects to a computer to expand its capabilities. Other names for an expansion device are port expander, port replicator, docking station, or network adapter. extension - See file extension. external device - See device. F file - A collection of related information, saved on disk with a 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.