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・ Context-aware network
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Content-addressable memory
・ Content-addressable storage
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Content-addressable memory : ウィキペディア英語版
Content-addressable memory
Content-addressable memory (CAM) is a special type of computer memory used in certain very-high-speed searching applications. It is also known as associative memory, associative storage, or associative array, although the last term is more often used for a programming data structure.〔Hannum et al. (2004)〕 It compares input search data (tag) against a table of stored data, and returns the address of matching data (or in the case of associative memory, the matching data).〔Pagiamtzis and Sheikholeslami (2006), pp. 712–713〕 Several custom computers, like the Goodyear STARAN, were built to implement CAM, and were designated associative computers.
==Hardware associative array==
Unlike standard computer memory (random access memory or RAM) in which the user supplies a memory address and the RAM returns the data word stored at that address, a CAM is designed such that the user supplies a data word and the CAM searches its entire memory to see if that data word is stored anywhere in it. If the data word is found, the CAM returns a list of one or more storage addresses where the word was found (and in some architectures, it also returns the data word, or other associated pieces of data). Thus, a CAM is the hardware embodiment of what in software terms would be called an associative array.
The data word recognition unit was proposed by Dudley Allen Buck in 1955.〔(TRW Computer Division ), 1963, p. 17.〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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