read-while-writing

read-while-writing

[′rēd ‚wīl ′rīd·iŋ]
(computer science)
The reading of a record or group of records into storage from tape at the same time another record or group of records is written from storage to tape.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.