GLOSSARY OF TERMS AND ACRONYMS
2M Miniature/Microminiature (2M) Electronic
AAC Analog-to-analog converter.
ABORT To end the execution of a program before
is it completed because of an irrecoverable
error, mistake, or malfunction.
ABT Automatic bus transfer.
ac Alternate current.
ACO SWITCHING Action cutout switching.
ADDRESS A character or group of characters
that defines a particular part of storage,
some other data source, or destination. Nor-
mally the location of a given storage cell in a
ADDRESS BUS A bus carrying signals that define
ADP Automated data processing.
ALGORITHM The series of steps to solve a
ALS Advanced low-power Schottky.
ALU Arithmetic logic unit.
ANEW Army-Navy Electronic Warfare.
ANSI American National Standards Institute.
AS Advanced Schottky.
ASCII (American Standard Code for Information
Interchange) A standard 8-bit code for use with
computers and data terminals.
ASR Active status register.
ASW Antisubmarine warfare.
ASW SYSTEMS Antisubmarine warfare systems.
ASWOC Antisubmarine Warfare Operations Cen-
ASWOC/HLT Antisubmarine Warfare Operations
AZIMUTH An angular measurement in the hor-
izontal plane in a clockwise direction.
BAM Binary angular movement or motion.
BAP Buffer address pointer.
BASIC Beginners All-purpose Symbolic Instruction
BBC-MTC CABLE Buffered block channel/mag-
netic tape controller cable.
BBU Battery back-up unit.
BCD Binary-coded decimal.
BCH Binary-coded hexadecimal.
BCO Binary-coded octal.
BCW Buffer control word.
BEARING An angular measurement of the direc-
tion of an object from a reference direction,
such as true north.