A

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Q. The most frequently used instruction is to be fetched from _________

  • (A) Register
  • (B) Main memory
  • (C) Cache memory
  • (D) Hard disk
  • Correct Answer - Option(C)
  • Views: 2
  • Filed under category Computer
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Explanation by: Admin

Cache memory is a small, very fast memory located close to the CPU. It stores frequently used instructions and data to speed up access.

  • Register is even faster but very limited in size and stores data currently being processed.
  • Main memory (RAM) is slower than cache.
  • Hard disk is much slower and used for long-term storage.

So, instructions that are used most frequently are fetched from cache memory to improve speed.

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