Programming-for-Output-Problems
October 12, 2023Data-Structures
October 12, 2023GATE 2011
Question 8 |
Let the page fault service time to 10 ms in a computer with average memory access time being 20 ns. If one page fault is generated for every 106 memory accesses, what is the effective access time for the memory?
21 ns | |
30 ns | |
23 ns | |
35 ns |
Question 8 Explanation:
P = page fault rate
EA = p × page fault service time
+ (1 – p) × Memory access time
= 1/106×10×10<sup6+(1-1/106)×20 ≅ 29.9 ns</sup
EA = p × page fault service time
+ (1 – p) × Memory access time
= 1/106×10×10<sup6+(1-1/106)×20 ≅ 29.9 ns</sup
Correct Answer: B
Question 8 Explanation:
P = page fault rate
EA = p × page fault service time
+ (1 – p) × Memory access time
= 1/106×10×10<sup6+(1-1/106)×20 ≅ 29.9 ns</sup
EA = p × page fault service time
+ (1 – p) × Memory access time
= 1/106×10×10<sup6+(1-1/106)×20 ≅ 29.9 ns</sup
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