Q. 45 The size of the physical address space of a processor is 2P bytes. The word length is 2W bytes. The capacity of cache memory is 2N bytes. The size of each cache block is 2M words. For a K-way set-associative cache memory, the length (in number of bits) of the tag field is
(A) P − N − log2K
(B) P − N + log2K
(C) P − N − M − W − log2K
(D) P − N − M − W + log2K
Answer: (B)
Explanation:
