computer storage device


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computer storage device

[kəm′pyüd·ər ′stȯr·ij di′vīs]
(computer science)
storage device
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

storage device

A peripheral unit that holds data without power until purposely erased. Computer storage comprises internal and external hard drives and solid state drives (SSDs); however, optical discs and USB drives may also be used.

In smartphones and tablets, the built-in flash memory is the storage. Smartphones may also allow insertable flash memory in the form of microSD cards. Datacenter storage devices are typically arrays of hard drives or SSDs. In the past, magnetic tape was widely used. See magnetic disk, SSD, SD card, magnetic tape, optical disc, USB drive and memory card.
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