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The memory access time is 100 ns, the average page-fault service time is 10 ms and the page-fault rate is 1 fault per 1,000 accesses. The e…

1312Medium DSSSB TGT Computer Science 0 replies 1 views

The memory access time is 100 ns, the average page-fault service time is 10 ms and the page-fault rate is 1 fault per 1,000 accesses. The effective access time is approximately

A100.1 ns
B10,100 ns
C1,100 ns
D100,100 ns

Correct answer: B

Explanation

EAT = 0.999 × 100 + 0.001 × 10,000,000 ns = 99.9 + 10,000 ≈ 10,100 ns.

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