A computer system with a word length of 32 bits has a 16 MB byte- addressable…

GATE · 2020 · CS · Computer Science & IT

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.

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