alphanumeric
(A/N).
Pertaining to a character set
that
contains
letters, digits, and usually other characters, such as punctuation
marks. Synonymous with alphameric.
alternating current (ac). A current that periodically reverses its
direction
of
flow.
American National Standard Code for Information Interchange
(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.
AP
A. All points addressable.
ASCII. American National Standard Code for Information
Interchange.
assemble.
To
translate a program expressed in an assembler
language into a computer language.
assembler. A computer program used to assemble.
GIossary-2