Question 9375 – Operating-Systems
May 12, 2024Software-Engineering
May 12, 2024Question 9853 – Operating-Systems
Suppose the time to service a page fault is on the average 10 milliseconds, while a memory access takes 1 microsecond. Then a 99.99% hit ratio results in average memory access time of
Correct Answer: D
Question 139 Explanation:
Average memory access time = (P*t1) + [(1-P)t2]
= (0.9999*1) + [(1-0.9999) *10000]
= (0.9999) + (0.0001 * 10000)
= 0.9999 + 1
= 1.9999 microseconds
= (0.9999*1) + [(1-0.9999) *10000]
= (0.9999) + (0.0001 * 10000)
= 0.9999 + 1
= 1.9999 microseconds
1.9999 milliseconds
1 millisecond
9.999 microseconds
1.9999 microseconds
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