Memory Management Questions

MCQ bookmark_border

11.

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

Correct Answer: D

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

12.

The ___________ must design and program the overlay structure.

A

programmer

B

system architect

C

system designer

D

none of the mentioned

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

13.

The ___________ swaps processes in and out of the memory.

A

Memory manager

B

CPU

C

CPU manager

D

User

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

14.

If a higher priority process arrives and wants service, the memory manager can swap out the lower priority process to execute the higher priority process. When the higher priority process finishes, the lower priority process is swapped back in and continues execution. This variant of swapping is sometimes called?

A

priority swapping

B

pull out, push in

C

roll out, roll in

D

none of the mentioned

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

15.

If binding is done at assembly or load time, then the process _____ be moved to different locations after being swapped out and in again.

A

can

B

must

C

can never

D

may

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

16.

In a system that does not support swapping ____________

A

the compiler normally binds symbolic addresses to relocatable addresses

B

the compiler normally binds symbolic addresses to physical addresses

C

the loader binds relocatable addresses to physical addresses

D

binding of symbolic addresses to physical addresses normally takes place during execution

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

17.

Which of the following is TRUE?

A

Overlays are used to increase the size of physical memory

B

Overlays are used to increase the logical address space

C

When overlays are used, the size of a process is not limited to the size of the physical memory

D

Overlays are used whenever the physical address space is smaller than the logical address space

Correct Answer: C

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

18.

The address generated by the CPU is referred to as ____________

A

Physical address

B

Logical address

C

Neither physical nor logical

D

None of the mentioned

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

19.

The address loaded into the memory address register of the memory is referred to as ____________

A

Physical address

B

Logical address

C

Neither physical nor logical

D

None of the mentioned

Correct Answer: A

None.

Check Answer report_problem Report forum Discussion

MCQ bookmark_border

20.

The run time mapping from virtual to physical addresses is done by a hardware device called the ____________

A

Virtual to physical mapper

B

Memory management unit

C

Memory mapping unit

D

None of the mentioned

Correct Answer: B

None.

Check Answer report_problem Report forum Discussion