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Q.

Which is the first program run on a computer when the computer boots up?

A

System software

B

Operating system

C

System operations

D

None

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MCQ

1.

A critical region is

A

a program segment that has not been proved bug-free

B

a program segment that often causes unexpected system crashes

C

a program segment where shared resources are accessed

D

one which is enclosed by a pair of P and V operations on semaphores

E

none is the above

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2.

When you open my computer on desktop you see the information of

A

Hard disk

B

CD

C

Removable disk

D

All of the above

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3.

If special forms are needed for printing the output, the programmer specifies these forms through?

A

JCL

B

JPL

C

Utility programs

D

Load modules

E

None of the above

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4.

Which menu bar selection would you access to open file?

A

Option

B

Help

C

View

D

None of above

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5.

Which policy replace a page if it is not in the favoured subset of a process's pages?

A

FIFO

B

LRU

C

LFU

D

Working set

E

None of the above

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