alternating current (ac). A current that periodically reverses its
direction of flow.
American National Standard Code for Information Exchange
(ASCII). The standard code, using a coded character set
consisting
of
7-bit coded characters (8 bits including parity
~
check), used for information exchange between data processing
systems, data communication systems, and associated equipment.
The ASCII set consists
of
control characters and graphic
characters.
ampere (A). The basic unit
of
electric current.
A/N.
Alphanumeric
analog.
(1)
Pertaining to data in the form of continuously variable
physical quantities.
(2)
Contrast with digital.
AND. A logic operator having the property that if P
is
a
statement,
Q
is
a statement, R
is
a statement, ... , then the AND of
P,
Q,
R,
..
.is true if all statements are true, false if any statement
is
false.
AND gate. A logic gate in which the output
is
1 only if all inputs
are
1.
AND operation. The boolean operation whose result has the
boolean value 1, if and only if, each operand has the boolean
value
1.
Synonymous with conjunction.
APA. All points addressable.
ASCII. American National Standard Code for Information
Exchange.
assemble. To translate a program expressed in an assembler
language into a computer language.
Glossary-2
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