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164
Glossary
C
cache
information is duplicated for quick access. Accessing data
from cache is faster than accessing it from the computer's
main memory. See also
—An individual compact disc. See also
CD
CD-ROM (Compact Disc Read-Only Memory)
of high-capacity storage that uses laser optics instead of
magnetic means for reading data. See also
DVD-ROM
Central Processing Unit (CPU)
the "brain" of the computer. It takes information from outside
sources, such as memory or keyboard input, processes the
information, and sends the results to another device that
uses the information.
character
computer. Some characters are non-printing characters,
such as a paragraph break in a word-processing program. A
character occupies one byte of computer storage.
—A small piece of silicon containing computer logic and
chip
circuits for processing, memory, input/output, and/or control
functions. Chips are mounted on printed circuit boards.
—To press and release the pointing device's primary button
click
without moving the pointing device. In the Windows
operating system, this refers to the pointing device's left
button, unless otherwise stated. See also
compatibility
devices can work together harmoniously, using the same
commands, formats, or language as another.
configuration
a single computer system. (2) How parts of the system are
set up (that is, configured).
controller
computer to a peripheral device and vice versa. For
example, disk drives, monitors, keyboards, and printers all
require controllers.
—See
CPU
—A section of very fast memory in which frequently used
.
—Any letter, number, or symbol you can use on the
—The extent to which computers, programs, or
—(1) The collection of components that make up
—A device that controls the transfer of data from a
Central Processing Unit (CPU)
CPU cache, L1 cache, L2 cache
CD-ROM
—The chip that functions as
.
.
.
—A form
CD
. Compare
double-click
.
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Troubleshooting
