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MCQ

Q.

When a page is selected for replacement, and its modify bit is set ____________

A

the page is clean

B

the page has been modified since it was read in from the disk

C

the page is dirty

D

the page has been modified since it was read in from the disk & page is dirty

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Similar Questions

MCQ

1.

When a page fault occurs before an executing instruction is complete if ____________

A

the instruction must be restarted

B

the instruction must be ignored

C

the instruction must be completed ignoring the page fault

D

none of the mentioned

Discussion

MCQ

2.

Using transient code, _______ the size of the operating system during program execution.

A

increases

B

decreases

C

changes

D

maintains

Discussion

MCQ

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 LRU page replacement algorithm with 5 frames, the number of page faults is?

A

10

B

14

C

8

D

11

Discussion

MCQ

4.

The algorithm in which we split m frames among n processes, to give everyone an equal share, m/n frames is known as ____________

A

proportional allocation algorithm

B

equal allocation algorithm

C

split allocation algorithm

D

none of the mentioned

Discussion

MCQ

5.

Using a pager ____________

A

increases the swap time

B

decreases the swap time

C

decreases the swap time

D

increases the amount of physical memory needed

Discussion

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