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User’s Manual Glossary-5
Satellite C650/C650D, Satellite Pro C650/C650D
CD-ROM: A Compact Disc Read Only Memory is a high capacity disc that
can be read from but not written to. The CD-ROM drive uses a laser,
rather than magnetic heads, to read data from the disc.
CD-R: A Compact Disc Recordable disc can be written once and read
many times. See also CD-ROM.
CD-RW: A Compact Disc ReWritable disc can be rewritten many times.
See also CD-ROM.
character: Any letter, number, punctuation mark, or symbol used by the
computer. Also synonymous with byte.
chassis: The frame containing the computer.
chip: A small semiconductor containing computer logic and circuitry for
processing, memory, input/output functions and controlling other
chips.
CMOS: Complementary Metal-Oxide Semiconductor. An electronic circuit
fabricated on a silicon wafer that requires very little power.
Integrated circuits implemented in CMOS technology can be tightly
packaged and are highly reliable.
cold start: Starting a computer that is currently off (turning on the power).
COM1, COM2, COM3 and COM4: The names assigned to the serial and
communication ports.
commands: Instructions you enter at the terminal keyboard that direct the
actions of the computer or its peripheral devices.
communications: The means by which a computer transmits and receives
data to and from another computer or device.
compatibility: 1) The ability of one computer to accept and process data in
the same manner as another computer without modifying the data or
the media upon which it is being transferred.
2) the ability of one device to connect to or communicate with
another system or component.
components: Elements or parts (of a system) which make up the whole
(system).
Composite Video (YUV): A standard video signal used to transmit images,
e.g. from a VCR to a TV.
computer program: A set of instructions written for a computer that enable
it to achieve a desired result.
computer system: A combination of hardware, software, firmware, and
peripheral components assembled to process data into useful
information.
configuration: The specific components in your system (such as the
terminal, printer, and disk drives) and the settings that define how
your system works. You use the HW Setup program to control your
system configuration.
control keys: A key or sequence of keys you enter from the keyboard to
initiate a particular function within a program.