試題詳解

30. Cache memory consists of a small, fast memory that acts as a buffer for the DRAM. What is cache memory and how does it work?
(A) Cache memory is a type of volatile memory that stores frequently used data to reduce the need to access slower storage media.
(B) Cache memory is a type of non-volatile memory that stores data permanently.
(C) Cache memory is used to store the operating system kernel.
(D) Cache memory is slower than main memory.
(E) Cache memory is used to store infrequently used data to speed up performance.