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MCQ

Q.

The surface area of tape is ________ the surface area of a disk.

A

much lesser than

B

much larger than

C

equal to

D

none of the mentioned

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MCQ

1.

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

C

C-SCAN

D

C-LOCK

Discussion

MCQ

2.

The current directory contains, most of the files that are _____________

A

of current interest to the user

B

stored currently in the system

C

not used in the system

D

not of current interest to the system

Discussion

MCQ

3.

The UNIX sytem uses a/an ________ stored at the beginning of a some files to indicate roughly the type of file.

A

identifier

B

extension

C

virtual number

D

magic number

Discussion

MCQ

4.

Progressive download is most useful for ___________

A

short video clips

B

long video clips

C

extremely long and high quality videos

D

none of the mentioned

Discussion

MCQ

5.

Sequential access method ______ on random access devices.

A

works well

B

doesn't work well

C

maybe works well and doesn't work well

D

none of the mentioned

Discussion

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