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preread head |
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preread head [′prē‚rēd ‚hed] (computer science) A read head that is placed near another read head in such a way that it can read data stored on a moving medium such as a tape or disk before these data reach the second head. 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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