whose parts can
be
performing an input process
and
an output
process
at
the same time. (3) Pertaining to either input or
output,
or
both.
instruction.
In
a programming language, a meaningful expression
that
specifies one operation and identifies its operands, if any.
instruction set. The set of instructions of a computer, of a
programming language, or of the programming languages in a
programming system.
intensity.
In
computer graphics, the amount of light emitted
at
a
display point
interface. A device
that
alters or converts actual electrical signals
between
distinct devices, programs,
or
systems.
interleave.
To
arrange parts of one sequence of things
or
events
so
that
they alternate with parts of one or more other sequences
of the same nature and so
that
each sequence retains its identity.
interrupt. (1) A suspension
of
a process, such as the execution
of a computer program, caused by an event external to
that
process,
and
performed in such a way that the process
can
be
resumed. (2)
In
a data transmission, to take an action at a
receiving station
that
causes the transmitting station to terminate
a transmission. (3) Synonymous with interruption.
1/
O.
Input/
output.
I/O
area. Synonym for buffer.
irrecoverable error.
An
error
that
makes recovery impossible
without the use of recovery techniques external to the computer
program
or
run.
joystick.
In
computer graphics, a lever
that
can pivot in all
directions and
that
is
used as a locator device.
k. Prefix kilo; 1000.
K.
When
referring
to
storage capacity, 1024. (1024 = 2 to the
10th power.)
Glossary-I8
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