Operating system mcqs virtual memory thrashing

 

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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?
A
16
B
15
C
14
D
11
GK Questions answers

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?
A
10
B
14
C
8
D
11
Computer science Questions answers

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?
A
16
B
15
C
14
D
11
English literature Questions answers

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?
A
{1, 2, 4, 5, 6}
B
{2, 1, 6, 7, 3}
C
{1, 6, 5, 7, 2}
D
{1, 2, 3, 4, 5}
Education Questions answers

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?
A
16
B
15
C
14
D
11
KBC Questions answers

There are 5 questions to complete.

 

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