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Glossary
5.375 x 8.375 ver 2.4.0
drag — To hold down the mouse button while moving the cursor to
drag a selected object. In the Windows
®
operating system, this
refers to the left mouse button, unless otherwise stated.
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.
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.