Which of the following is an extremely fast, small memory between CPU and main memory?

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(b) Cache memory — Cache memory is an extremely fast memory type that acts as a buffer between RAM (Random Access Memory) and the CPU (Central Processing Unit). 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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(A) Main RAM and ROM

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(C) Secondary memory

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(D) None of the above

Which of the following is an extremely fast, small memory between CPU and main memory?

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