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Q.

CPU fetches the instruction from memory according to the value of ____________

A

program counter

B

status register

C

instruction register

D

program status word

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MCQ

1.

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

Discussion

MCQ

2.

If there are 32 segments, each of size 1Kb, then the logical address should have ____________

A

13 bits

B

14 bits

C

15 bits

D

16 bits

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3.

The pager concerns with the ____________

A

individual page of a process

B

entire process

C

entire thread

D

first page of a process

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4.

When the entries in the segment tables of two different processes point to the same physical location ____________

A

the segments are invalid

B

the processes get blocked

C

segments are shared

D

all of the mentioned

Discussion

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5.

Consider a machine in which all memory reference instructions have only one memory address, for them we need at least _____ frame(s).

A

one

B

two

C

three

D

none of the mentioned

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