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Q.

Illegal addresses are trapped using the _____ bit.

A

error

B

protection

C

valid-invalid

D

access

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MCQ

1.

Illegal addresses are trapped using the _____ bit.

A

error

B

protection

C

valid-invalid

D

access

Discussion

MCQ

2.

External fragmentation exists when?

A

enough total memory exists to satisfy a request but it is not contiguous

B

the total memory is insufficient to satisfy a request

C

a request cannot be satisfied even when the total memory is free

D

none of the mentioned

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MCQ

3.

In paged memory systems, if the page size is increased, then the internal fragmentation generally ____________

A

becomes less

B

becomes more

C

remains constant

D

none of the mentioned

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MCQ

4.

LRU page-replacement algorithm associates with each page the ______

A

time it was brought into memory

B

the time of that page

C

page after and before it

D

all of the mentioned

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MCQ

5.

The protection bit is 0/1 based on ____________

A

write only

B

read only

C

read-write

D

none of the mentioned

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