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Operating system mcqs virtual memory thrashing
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Question 1 |
Consider the following page reference string. 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 For FIFO page replacement algorithms with 4 frames, the number of page faults is?
16 | |
15 | |
14 | |
11 |
Question 2 |
Consider the following page reference string. 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 For LRU page replacement algorithm with 4 frames, the number of page faults is?
10 | |
14 | |
8 | |
11 |
Question 3 |
Consider the following page reference string. 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 For FIFO page replacement algorithms with 3 frames, the number of page faults is?
16 | |
15 | |
14 | |
11 |
Question 4 |
In the working set model, for: 2 6 1 5 7 7 7 7 5 1 6 2 3 4 1 2 3 4 4 4 3 4 3 4 4 4 1 3 2 3 if DELTA = 10, then the working set at time t1 (....7 5 1) is?
{1, 2, 4, 5, 6} | |
{2, 1, 6, 7, 3} | |
{1, 6, 5, 7, 2} | |
{1, 2, 3, 4, 5} |
Question 5 |
Consider the following page reference string. 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 For Optimal page replacement algorithms with 3 frames, the number of page faults is?
16 | |
15 | |
14 | |
11 |
There are 5 questions to complete.