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Q.

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

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MCQ

1.

A process is thrashing if ____________

A

it spends a lot of time executing, rather than paging

B

it spends a lot of time paging than executing

C

it has no memory allocated to it

D

none of the mentioned

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2.

A page fault occurs when?

A

a page gives inconsistent data

B

a page cannot be accessed due to its absence from memory

C

a page is invisible

D

all of the mentioned

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Virtual memory is normally implemented by ________

A

demand paging

B

buses

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virtualization

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all of the mentioned

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A

frame bit

B

page number

C

page offset

D

frame offset

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In FIFO page replacement algorithm, when a page must be replaced ____________

A

oldest page is chosen

B

newest page is chosen

C

random page is chosen

D

none of the mentioned

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