Average access time is 30 ns, cache access 20 ns and main memory access 120 ns (simultaneous access). The hit ratio is:

From DSSSB TGT Computer Science Full Mock Test 5

This is question 104 of DSSSB TGT Computer Science Full Mock Test 5. 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.