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hard disk |
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hard diskIn computing, a storage device usually consisting of a rigid metal disk coated with a magnetic material. Data are read from and written to the disk by means of a disk drive. The hard disk may be permanently fixed into the drive or in the form of a disk pack that can be removed and exchanged with a different pack. Hard disks can have capacities as high as 500 gigabytes, with different versions intended for use with mainframe or personal computers. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Fixed disk libraries rely on modern replication technologies to move data offsite for disaster recovery; they only allow for disk removal to replace defective disks. More expensive, somewhat heavier laptop PCs contain more advanced processor chips and two disk drives, possibly including a 20-meg or larger fixed disk. Small businesses are replacing low-end tape and fixed disk storage with RDX technology because it's fast, safe, transportable and easy to use. |
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