C
cache memory
A very fast, limited portion of RAM set aside for temporary
storage of data for direct access by the microprocessor.
CD-ROM drive
(Compact Disk ROM drive) A type of mass storage device that
reads information from a compact disk.
Centronics port
An industry standard parallel port. See also parallel port.
CGA
(Color Graphics Adapter) A type of video display system that
provides low-resolution text and graphics on TTL monochrome
and color monitors.
CMOS
(Complimentary Metal-Oxide Semiconductor) A type of
low-power integrated circuit used in computers. See also TTL.
COM1 or COM2
The name you can assign a serial port to set or change its
address. See also serial port.
command
An instruction that directs the computer to perform a particular
operation.
configuration
The way in which a computer is set up to operate. Some
configurable options include CPU speed, serial port designation,
and memory allocation.
coprocessor
See math coprocessor.
CPU
(Central Processing Unit) See microprocessor.
CRT
(Cathode-Ray Tube) The type of video display used in monitors
for desktop computers.
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Glossary