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Fast-Access Storage |
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fast-access storage [¦fast ¦ak·ses ′stōr·ij]
(computer science) The section of a computer storage from which data can be obtained most rapidly. Fast-Access Storage (also, zero-access memory), a section of the entire computer storage that has a capacity of a few tens or hundreds of machine words and whose access time is comparable to the time required to perform arithmetic or logical operations. A fast-access storage may be part of the main memory, or it may be a separate unit. It is used to accept and read back intermediate data and constants that are immediately used in the computation process. The fast-access storage is also used to store and modify the instructions in the part of the program being executed. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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