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Q.

Which of the following is not a component of paging unit?

A

page directory

B

page descriptor base register

C

page table

D

page

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MCQ

1.

The advantage of pages in paging is

A

no logical relation with program

B

no need of entire segment of task in physical memory

C

reduction of memory requirement for task

D

all of the mentioned

Discussion

MCQ

2.

The bit that is undefined for page directory entries is

A

P-bit

B

A-bit

C

D-bit

D

All of the mentioned

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3.

The dirty bit(D) is set, before which operation is carried out

A

write

B

read

C

initialization

D

none of the mentioned

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4.

The bits of CR3, that are always zero are

A

higher 4 bits

B

lower 8 bits

C

higher 10 bits

D

lower 12 bits

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5.

Each directory entry in page directory is maximum of

A

2 bytes

B

4 bytes

C

8 bytes

D

16 bytes

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