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hard disk

hard disk Rigid magnetic disk for storing computer programs and data. A built-in hard disk drive in a typical personal computer consists of a number of hard platters, coated with a magnetic material set on a common spindle. They are housed inside a sealed container, with a motor to spin the stack of platters, a head to write (record) and read (replay) each side of each platter, and associated electronic circuits. Hard disk capacity is continually being increased: most computers are now sold with a disk of at least 500Mb (500 megabytes, or 500 million bytes) capacity.

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hard disk

hard disk
1. A magnetic disk consisting of a rigid substrate coated or plated – usually on both sides – with a magnetic material. Hard disk is used as a generic term and includes the magnetic disks used in Winchester technology. Compare floppy disk, optical disk.

2. A disk permanently mounted in its drive; in certain circumstances disk + drive may be demountable.

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"hard disk." A Dictionary of Computing. . Encyclopedia.com. 22 Apr. 2018 <http://www.encyclopedia.com>.

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hard disk

hard disk • n. Comput. a rigid nonremovable magnetic disk with a large data storage capacity, as distinct from the smaller capacity floppy disk.

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"hard disk." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 22 Apr. 2018 <http://www.encyclopedia.com>.

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"hard disk." The Oxford Pocket Dictionary of Current English. . Retrieved April 22, 2018 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/hard-disk

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