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MCQ

Q.

Virtual memory allows ____________

A

execution of a process that may not be completely in memory

B

a program to be smaller than the physical memory

C

a program to be larger than the secondary storage

D

execution of a process without being in physical memory

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MCQ

1.

If the offset is legal ____________

A

it is used as a physical memory address itself

B

it is subtracted from the segment base to produce the physical memory address

C

it is added to the segment base to produce the physical memory address

D

none of the mentioned

Discussion

MCQ

2.

The segment base 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

3.

The minimum number of page frames that must be allocated to a running process in a virtual memory environment is determined by ____________

A

the instruction set architecture

B

page size

C

physical memory size

D

number of processes in memory

Discussion

MCQ

4.

Swapping _______ be done when a process has pending I/O, or has to execute I/O operations only into operating system buffers.

A

must

B

can

C

must never

D

maybe

Discussion

MCQ

5.

If execution time binding is being used, then a process ______ be swapped to a different memory space.

A

has to be

B

can never

C

must

D

may

Discussion

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