Memory Management Questions

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71.

Paging increases the ______ time.

A

waiting

B

execution

C

context-switch

D

all of the mentioned

Correct Answer: C

None.

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72.

Smaller page tables are implemented as a set of _______

A

queues

B

stacks

C

counters

D

registers

Correct Answer: D

None.

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73.

The page table registers should be built with _______

A

very low speed logic

B

very high speed logic

C

a large memory space

D

none of the mentioned

Correct Answer: B

None.

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74.

For larger page tables, they are kept in main memory and a __________ points to the page table.

A

page table base register

B

page table base pointer

C

page table register pointer

D

page table base

Correct Answer: A

None.

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75.

For every process there is a __________

A

page table

B

copy of page table

C

pointer to page table

D

all of the mentioned

Correct Answer: A

None.

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76.

Time taken in memory access through PTBR is ____________

A

extended by a factor of 3

B

extended by a factor of 2

C

slowed by a factor of 3

D

slowed by a factor of 2

Correct Answer: D

None.

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77.

Each entry in a translation lookaside buffer (TLB) consists of ____________

A

key

B

value

C

bit value

D

constant

Correct Answer: A

None.

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78.

If a page number is not found in the TLB, then it is known as a ____________

A

TLB miss

B

Buffer miss

C

TLB hit

D

All of the mentioned

Correct Answer: A

None.

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79.

An ______ uniquely identifies processes and is used to provide address space protection for that process.

A

address space locator

B

address space identifier

C

address process identifier

D

none of the mentioned

Correct Answer: B

None.

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80.

The percentage of times a page number is found in the TLB is known as ____________

A

miss ratio

B

hit ratio

C

miss percent

D

none of the mentioned

Correct Answer: B

None.

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