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+1 vote
319 views
in Artificial Intelligence (AI) by (25 points)
edited by

Which of the following is fastest memory?

1. Secondary Memory

2. Auxiliary Memory

3. Cache Memory

4. Virtual Memory

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1 Answer

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by (52.8k points)

The correct option is (3) Cache Memory.

Cache Memory :

  • Cache Memory is a special very high-speed memory.

  • It is used to speed up and synchronizing with a high-speed CPU. Cache memory is costlier than main memory or disk memory but economical than CPU registers.

  • Cache memory is an extremely fast memory type that acts as a buffer between RAM and the CPU.

  • It holds frequently requested data and instructions so that they are immediately available to the CPU when needed.

  • Cache memory is used to reduce the average time to access data from the Main memory.

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