virtual direct-access storage

virtual direct-access storage

[′vər·chə·wəl də¦rekt ¦ak‚ses ′stȯr·ij]

(computer science)

A device used with mass-storage systems, whereby data are retrieved prior to usage by a batch-processing program and automatically transcribed onto disk storage.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.