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Which of the following refers to the associative memory?

  • A.the address of the data is generated by the CPU
  • B.the address of the data is supplied by the users
  • C.there is no need for an address i.e. the data is used as an address
  • D.the data are accessed sequentially

Answer: C

Correct answer: there is no need for an address i.e. the data is used as an address

Associative or content-addressable memory is searched by content rather than by location: a pattern is presented and every cell compares itself with it simultaneously, returning the matching entry in one cycle. It is what makes a translation lookaside buffer and a cache tag store fast enough to be useful.

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