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Glossary of Data Communications Terms
Courtesy Enterprise-Wide Computing, Inc.
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Term:
block
Definition:
a group of digits, characters, or words that are held in
one section of an input/output medium and handled as a
unit, such as the data recorded between to interblock gaps
on a magnetic tape or a data unit being transmitted over a
data communications system; a block may or may not contain
control information. A group of N-ary digits, transmitted
as unit. An encoding procedure is generally applied to the
group of bits or N-ary digits for error=control purposes.
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