Operating System MCQs

1019 MCQs  (Page 78 of 102)

Attempt Operating System Quiz
If working set window is too large ____________
A. It will not encompass entire locality
B. It may overlap several localities
C. It will cause memory problems
D. None of the mentioned
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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
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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 5 frames, the number of page faults is?
A. 10
B. 14
C. 8
D. 11
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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
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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
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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
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______ is a unique tag, usually a number identifies the file within the file system.
A. File identifier
B. File name
C. File type
D. None of the mentioned
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To create a file ____________
A. Allocate the space in file system
B. Make an entry for new file in directory
C. Allocate the space in file system & make an entry for new file in directory
D. None of the mentioned
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By using the specific system call, we can ____________
A. Open the file
B. Read the file
C. Write into the file
D. All of the mentioned
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File type can be represented by ____________
A. File name
B. File extension
C. File identifier
D. None of the mentioned
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Word of the Day
13 Jul
Debunk
expose the falseness or hollowness of (an idea or belief).
بے نقاب کرنا، پول کھولنا

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