tape alternation

tape alternation

[′tāp ‚ȯl·tər‚nā·shən]
(computer science)
The switching of a computer program back and forth between two tape units in order to avoid interruption of the program during mounting and removal of tape reels.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.