Test by Bikram | Computer Organization and Architecture | Test 1 | Question: 26

Question

A block-set-associative cache consists of a total of $64$ blocks divided into $4$-block sets. The main memory contains $4096$ blocks (each consisting of $128$ words).

Answer the following questions based on this info:

1. How many bits are there in a main memory address?
2. How many bits are there in each of the TAG, SET, and WORD fields?

• A. $19$ and $8,7,4$
• B. $20$ and $6,7,8$
• C. $19$ and $8,4,7$
• D. $17$ and $8,7,4$

Answer 1

Ans is iii)

Comments

iii is there as answer

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kkk option iii is correct .....but one doubt if here word not given then we calulate in term of byte then that case (i) is correct plz check sir??

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by default we also take word actually.

just read zaki cache chapter once. it is from there .