Which of the following memory is fist referred by the CPU while searching data/instruction?

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(b) Cache memory — The first memory that is referred to by the CPU while searching for data/instruction is the cache memory. Cache memory is the fastest and is very close to the processor, so it is checked first so that data can be accessed faster.

Answer

(A) Main memory

Answer

(C) CDROM

Answer

(D) Hard disk

Which of the following memory is fist referred by the CPU while searching data/instruction?

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