IBM 5150 Technical Reference page 265

beginner's all-purpose symbolic instruction code (BASIC). A
programming language with a small repertoire of commands and a
simple syntax, primarily designed for numeric applications.
binary.
(1)
Pertaining to a selection, choice, or condition that has
two possible values or states. (2) Pertaining to a fixed radix
numeration system having a radix of 2.
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binary digit. (1) In binary notation, either of the characters 0 or 1.
(2) Synonymous with bit.
binary notation. Any notation that uses two different characters,
usually the binary digits 0 and 1.
binary synchronous communications (BSC). A uniform procedure,
using a standardized set of control characters and control
character sequences for synchronous transmission of
binary-coded data between stations.
BIOS. Basic input/output system.
bit. Synonym for binary digit
bits per second (bps). A unit of measurement representing the
number of discrete binary digits transmitted by a device in one
second.
block. (1) A string of records, a string of words, or a character
string formed for technical or logic reasons to be treated as an
entity. (2) A set of things, such as words, characters, or digits,
treated as a unit.
block-check character (BCC). In cyclic redundancy checking, a
character that is transmitted by the sender after each message
block and is compared with a block-check character computed by
the receiver to determine if the transmission was successful.
boolean operation. (1) Any operation in which each of the
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operands and the result take one of two values. (2) An operation
that follows the rules of boolean algebra.
Glossary-4