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CIL 2017 | System | Question: 58

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Which of the following statements related to Cache memory organization is FALSE?

  1. In "write through" approach, main memory content is always invalid.
  2. In "write back" approach, updates are made only in the cache and it minimizes memory writes.
  3. Least Recently Used (LRU) replacement algorithm can be used in associative and set associative mappings.
  4. For direct mapping, no replacement algorithm is needed.

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