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Q.

File type can be represented by ____________

A

file name

B

file extension

C

file identifier

D

none of the mentioned

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MCQ

1.

To control access the three bits used in UNIX are represented by _____________

A

r

B

w

C

x

D

all of the mentioned

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2.

In the ______ algorithm, the disk arm starts at one end of the disk and moves toward the other end, servicing requests till the other end of the disk. At the other end, the direction is reversed and servicing continues.

A

LOOK

B

SCAN

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D

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3.

Once the changes are written to the log, they are considered to be ________

A

committed

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D

none of the mentioned

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A

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Multimedia systems require _________ scheduling to ensure critical tasks will be serviced within timing deadlines.

A

soft real time

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C

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D

none of the mentioned

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