Glossary
Terms
263
disk drive
— The device that reads and writes information and programs
on a diskette or hard disk. It rotates the disk at high speed past one or
more read/write heads.
diskette
— A thin, flexible disk in a protective jacket that stores
magnetically encoded data. Diskettes can be removed from the
computer and come in two sizes: 5.25-inch and 3.5-inch. Your
computer uses 3.5-inch diskettes. See also
double-density diskette,
high-density diskette.
document
— Any file created with an application and, if saved to disk,
given a name by which it can be retrieved. See also
file
.
double-click
— To press the AccuPoint control button or mouse button
rapidly twice without moving the AccuPoint or mouse. In Windows,
this refers to the primary AccuPoint control button or 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 AccuPoint control button or mouse button
while moving the cursor to drag a selected object. In Windows, this
refers to the primary AccuPoint control button or 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
.
