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Question

A computer system has 4K word cache organised in a block set-associative manner with 4 blocks per set, 64 words per block. The number of bits in the SET and WORD fields of the main memory address format is ______________.

A
15,4
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B
6,4
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C
7,2
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D
4,6
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Solution

The correct option is D 4,6

A computer system has 4K word cache organised in a block set-associative manner with 4 blocks per set, 64 words per block. The number of bits in the SET and WORD fields of the main memory address format is 4,6.

A memory address is a reference to a specific memory location used at various levels by software and hardware. Memory addresses are fixed-length sequences of digits conventionally displayed and manipulated as unsigned integers. Such numerical semantic bases itself upon features of CPU, as well upon use of the memory like an array endorsed by various programming languages.

A cache in the primary storage hierarchy contains cache lines that are grouped into sets.


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