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Author Topic: How a computer works: The Hard Disk Drive  (Read 1034 times)


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How a computer works: The Hard Disk Drive
« on: February 08, 2010, 04:49:40 PM »
Nearly every desktop computer and server in use today contains one or more hard-disk drives. Every mainframe and supercomputer is normally connected to hundreds of them. You can even find VCR-type devices and camcorders that use hard disks instead of tape. These billions of hard disks do one thing well -- they store changing digital information in a relatively permanent form. They give computers the ability to remember things when the power goes out.

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