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Glossary
double-click — To press and release the primary control button adjacent
to the Dual Pointing Device or the mouse button rapidly twice
without moving the Dual Pointing Device or mouse. In the
Windows
left control button or the left mouse button, unless otherwise stated.
double-density diskette — A 3.5-inch diskette that can hold up to 720
KB of information (half the capacity of a high-density diskette). See
also diskette, high-density diskette.
download — (1) In communications, to receive a file from another
computer through a modem or network. (2) To send font data from
the computer to a printer. See also upload.
drag — To hold down the mouse button while moving the cursor to drag
a selected object. In the Windows
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.
®
operating system, this refers to the Dual Pointing Device
®
operating system, this refers to
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