IBM AT 5170 Technical Reference page 474

output process. (1) The process that consists of the delivery of
data from a data processing system, or from any part of it.
(2) The return of information from a data processing system to
an end user, including the translation of data from a machine
language to a language that the end user can understand.
overcurrent.
A current of higher than specified strength.
overflow indicator.
(1)
An indicator that signifies when the last
line on a page has been printed or passed. (2)
An
indicator that is
set on if the result of an arithmetic operation exceeds the capacity
of the accumulator.
overrun. Loss of data because a receiving device is unable to
accept data at the rate it is transmitted.
overvoltage. A voltage of higher than specified value.
parallel.
(1) Pertaining to the concurrent or simultaneous
operation of two or more devices, or to the concurrent
performance of two or more activities. (2) Pertaining to the
concurrent or simultaneous occurrence of two or more related
r---..
activities in multiple devices or channels. (3) Pertaining to the
simultaneity of two or more processes. (4) Pertaining to the
simultaneous processing of the individual parts of a whole, such as
the bits of a character and the characters of a word, using
separate facilities for the various parts. (5) Contrast with serial.
parameter.
(1)
A variable that is given a constant value for a
specified application and that may denote the application. (2) A
name in a procedure that is used to refer to an argument passed to
that procedure.
parity bit. A binary digit appended to a group of binary digits to
make the sum of all the digits either always odd (odd parity) or
always even (even parity).
parity check. (1) A redundancy check that uses a parity bit.
(2) Synonymous with odd-even check.
PEL.
Picture element.
Glossary-28