A 4-way set-associative cache of 16 KB uses 64-byte blocks and 32-bit addresses. How many tag bits are there?
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Correct answer: (C) 20
Explanation
256 blocks / 4 = 64 sets → 6 set bits; offset 6 bits; tag = 32 − 12 = 20.
From DSSSB TGT Computer Science Full Mock Test 3
This is question 104 of DSSSB TGT Computer Science Full Mock Test 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.