Q30

MCQ2 marks, −0.67

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. $A1= \textsf{0x42C8A4}$ , $A2= \textsf{0x546888}$ , $A3= \textsf{0x6A289C}$ , $A4=\textsf{0x5E4880}$ 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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