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Question 117

TLB access 20 ns, memory access 100 ns, TLB hit ratio 80%. Effective memory access time (single-level paging) is:

  1. A120 ns
  2. B100 ns
  3. C220 ns
  4. D140 ns
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Correct answer: (D) 140 ns

Explanation

0.8 × 120 + 0.2 × 220 = 96 + 44 = 140 ns.

From DSSSB TGT Computer Science Full Mock Test 4

This is question 117 of DSSSB TGT Computer Science Full Mock Test 4. 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.