interblock gap

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interblock gap

[′in·tər‚bläk ‚gap]
(computer science)
A space separating two blocks of data on a magnetic tape.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

interrecord gap

The empty space generated between blocks of data on early magnetic tapes, which was created by the starting and stopping of the reel. Today's drives do not use erase heads and write the entire tape, filling stop and start areas with padded blocks or special frequencies for synchronization.

Interrecord Gaps
In the old days, the gaps between the records were often larger than the blocks of data.
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