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MCQ

Q.

Which of the following need not necessarily be saved on a context switch between processes?

A

General purpose registers

B

Translation lookaside buffer

C

Program counter

D

All of the mentioned

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MCQ

1.

In operating system, each process has its own __________

A

address space and global variables

B

open files

C

pending alarms, signals and signal handlers

D

all of the mentioned

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MCQ

2.

A process can be terminated due to __________

A

normal exit

B

fatal error

C

killed by another process

D

all of the mentioned

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3.

In UNIX, the return value for the fork system call is _____ for the child process and _____ for the parent process.

A

A Negative integer, Zero

B

Zero, A Negative integer

C

Zero, A nonzero integer

D

A nonzero integer, Zero

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4.

In UNIX, each process is identified by its __________

A

Process Control Block

B

Device Queue

C

Process Identifier

D

None of the mentioned

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5.

The context of a process in the PCB of a process does not contain __________

A

the value of the CPU registers

B

the process state

C

memory

D

context switch time

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