Rotating storage devices as partially associative memories

  • Authors:
  • N. Minsky

  • Affiliations:
  • University of Minnesota, Minneapolis, Minnesota

  • Venue:
  • AFIPS '72 (Fall, part I) Proceedings of the December 5-7, 1972, fall joint computer conference, part I
  • Year:
  • 1972

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Abstract

"Associativity" is a highly desirable property of memory devices. Unfortunately, it does not seem to fit very well into the structure of contemporary randomaccess memories. A realization of associativity on such memories is always involved with high density of logic, and in today's technology is bound to be very expensive. Virtually all existing implementations of associative memories are accordingly on a very small scale and are typically used for special purposes such as the support of "virtual memory" schemes. From this situation one can get the impression that large scale associative memories are impractical. Fortunately, however, it turns out that rotating memories, unlike random access memories, are very natural hosts for at least a limited degree of associative addressing.