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Computer memory and Computer data storage types. A hard disk drive ( HDD ), hard disk, hard drive, or fixed disk [a] is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material.
The commercial usage of hard disk drives (HDD) began in 1957, with the shipment of a production IBM 305 RAMAC system including IBM Model 350 disk storage. [4] US Patent 3,503,060 issued March 24, 1970, and arising from the IBM RAMAC program is generally considered to be the fundamental patent for disk drives. [5]
Disk storage. Disk storage (also sometimes called drive storage) is a data storage mechanism based on a rotating disk. The recording employs various electronic, magnetic, optical, or mechanical changes to the disk's surface layer. A disk drive is a device implementing such a storage mechanism. Notable types are hard disk drives (HDD ...
Hard Drive (stylized in all caps) is an American satirical video game news website co-founded in 2017 by the editors of The Hard Times. Due to their similar writing style, Hard Drive is frequently compared to The Onion and was named ' The Onion of video games' by both Vice and Uproxx .
In computer storage, a disk buffer (often ambiguously called a disk cache or a cache buffer) is the embedded memory in a hard disk drive (HDD) or solid-state drive (SSD) acting as a buffer between the rest of the computer and the physical hard disk platter or flash memory that is used for storage. [1] Modern hard disk drives come with 8 to 256 ...
It is also called solid-state disk because it is frequently interfaced to a host system in the same manner as a hard disk drive (HDD). [1] [2] An SSD is often used as secondary storage to provide relatively fast, persistent, direct-attached storage in a computer. [3]
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