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direct-access storage device

noun, Computers.
1.
DASD.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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direct-access storage device in Technology

hardware
(DASD) IBM mainframe terminology for a disk drive, in contrast with a tape drive which is a sequential access device.
(1995-03-01)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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