A computer system with a word length of 32 bits has a 16 MB byte- addressable main memory and a 64 KB, 4-way set associative cache memory with a block size of 256 bytes. Consider the following four physical addresses represented in hexadecimal notation.
A1 = 0x42C8A4, A2 = 0x546888, A3 = 0x6A289C, A4 = 0x5E4880
Which one of the following is TRUE ?
(A) A1 and A4 are mapped to different cache sets.
(B) A2 and A3 are mapped to the same cache set.
(C) A3 and A4 are mapped to the same cache set.
(D) A1 and A3 are mapped to the same cache set.
Answer: (B)
Explanation:
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