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Q.

When memory is divided into several fixed sized partitions, each partition may contain ________

A

exactly one process

B

at least one process

C

multiple processes at once

D

none of the mentioned

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MCQ

1.

The major part of swap time is _______ time.

A

waiting

B

transfer

C

execution

D

none of the mentioned

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MCQ

2.

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

A

increases

B

decreases

C

changes

D

maintains

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3.

Which of the following page replacement algorithms suffers from Belady

A

Optimal replacement

B

LRU

C

FIFO

D

Both optimal replacement and FIFO

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4.

For 3 page frames, the following is the reference string: 7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 How many page faults does the LRU page replacement algorithm produce?

A

10

B

15

C

11

D

12

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5.

_____ is the concept in which a process is copied into the main memory from the secondary memory according to the requirement.

A

Paging

B

Demand paging

C

Segmentation

D

Swapping

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