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Q.

The idea of overlays is to ____________

A

data that are needed at any given time

B

enable a process to be larger than the amount of memory allocated to it

C

keep in memory only those instructions

D

all of the mentioned

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MCQ

1.

The segment limit contains the ____________

A

starting logical address of the process

B

starting physical address of the segment in memory

C

segment length

D

none of the mentioned

Discussion

MCQ

2.

Working set model for page replacement is based on the assumption of ____________

A

modularity

B

locality

C

globalization

D

random access

Discussion

MCQ

3.

The valid

A

the page is not legal

B

the page is illegal

C

the page is in memory

D

the page is not in memory

Discussion

MCQ

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

Discussion

MCQ

5.

The ability to execute a program that is only partially in memory has benefits like ____________

A

The amount of physical memory cannot put a constraint on the program

B

Programs for an extremely large virtual space can be created

C

Throughput increases

D

All of the mentioned

Discussion

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