contiguous. Touching or joining
at
the edge
or
boundary;
adjacent.
control character. A character whose occurrence in a particular
context initiates, modifies,
or
stops a control operation.
control operation.
An
action
that
affects the recording,
processing, transmission,
or
interpretation of data; for example,
starting
or
stopping a process, carriage return, font change,
rewind,
and
end
of
transmission.
control storage. A portion of storage
that
contains microcode.
coordinate space.
In
computer graphics, a system of Cartesian
coordinates in which an object
is
defined.
cps. Characters per second.
cpu. Central processing unit.
CRC. Cyclic redundancy check.
CRT.
Cathode
ray tube.
CRT display.
Cathode
ray tube display.
CTS. Clear
to
send. Associated with modem control.
cursor. (1)
In
computer graphics, a movable marker
that
is
used
to
indicate position
on
a display. (2) A displayed symbol
that
acts as a marker
to
help the user locate a point in text, in a system
command,
or
in storage. (3) A movable spot of light
on
the
screen of a display device, usually indicating where the next
character is
to
be
entered, replaced,
or
deleted.
cyclic redundancy check (CRC). (1) A redundancy check in
which the check key
is
generated by a cyclic algorithm. (2) A
system of error checking performed
at
both
the sending and
receiving station after a block-check character has
been
accumulated.
cylinder. (1)
The
set
of
all tracks with the same nominal
distance from
the
axis
about
which the disk rotates. (2) The
Glossary-8
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