Digital Equipment DEC 3000 Series Service Information page 404

checksum
A sum of digits or bits that is used to verify the integrity of a
piece of data.
CI
See computer interconnect.
CISC
Complex instruction set computer. A computer that uses
an instruction set consisting of a large number of complex
instructions that are managed by microcode. Contrast with RISC.
client
A piece of hardware or software that obtains a specific set of
services from a server.
client-server computing
An approach to computing that enables personal computer and
workstation users—the ''clients''—to work cooperatively with
software programs stored on a mainframe or minicomputer—the
''server.''
clock
A signal used to synchronize the circuits in a computer system.
cluster
A group of networked computers that communicate over a
common interface to share disk storage, application programs,
and other computer resources. See also VMScluster system.
CMOS
See Complementary metal-oxide semiconductor.
coaxial cable
A passive communications media.
command
A request made to the operating system to perform a specific
function, for example, a request to run a program or show the
configuration of a system.
communications
The transmission of digital data from one point (the source) to
another (the receiver).
compact disc
A removable flat circular plate, used in the compact disc drive
on which read-only optical data is stored. A laser optical reader
retrieves this information.
Glossary–4