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Glossary
DVD-ROM (Digital Versatile [or Video] Disc Read-Only
Memory)
laser optics for reading data. Each DVD-ROM can hold as
much data as several CD-ROMs. Compare
E
emulation
another device or program.
enable
eSATA
fast data transfer. Very useful in storing and transferring large
files.
executable file
Application programs and batch files are examples of
executable files. Names of executable files usually end with
a .bat or .exe extension.
expansion device
expand its capabilities. Other names for an expansion device
are port expander, port replicator, docking station, or
network adapter.
extension
external device
F
—A collection of related information, saved on disk with a
file
unique name. A file may be a program, information used by a
program, or a document. See also
File Allocation Table (FAT)
that keeps track of the location of stored files.
file name
within a particular folder. It consists of two parts: the actual
name and the file name extension. See also
file extension
(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
folder
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.
—A very high-capacity storage medium that uses
—A technique in which a device or program imitates
—To turn on a computer option. See also
—An external device that supports hot swapping and
—A computer program that is ready to run.
—A device that connects to a computer to
file extension
—See
—See
—A set of characters that uniquely identifies a file
—The three characters following the period
—Also called directory. A container for organizing files
.
device
.
document
—The section of a storage drive
file name
CD-ROM
.
disable
.
.
file extension
.
.
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