Processes Questions

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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

Correct Answer: D

None.

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2.

In Unix, Which system call creates the new process?

A

fork

B

create

C

new

D

none of the mentioned

Correct Answer: A

None.

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3.

A process can be terminated due to __________

A

normal exit

B

fatal error

C

killed by another process

D

all of the mentioned

Correct Answer: D

None.

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4.

What is the ready state of a process?

A

when process is scheduled to run after some execution

B

when process is unable to run until some task has been completed

C

when process is using the CPU

D

none of the mentioned

Correct Answer: A

When process is unable to run until some task has been completed, the process is in blocked state and if process is using the CPU, it is in running state.

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5.

What is interprocess communication?

A

communication within the process

B

communication between two process

C

communication between two threads of same process

D

none of the mentioned

Correct Answer: B

None.

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6.

A set of processes is deadlock if __________

A

each process is blocked and will remain so forever

B

each process is terminated

C

all processes are trying to kill each other

D

none of the mentioned

Correct Answer: A

None.

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7.

A process stack does not contain __________

A

Function parameters

B

Local variables

C

Return addresses

D

PID of child process

Correct Answer: D

None.

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8.

Which system call returns the process identifier of a terminated child?

A

wait

B

exit

C

fork

D

get

Correct Answer: A

None.

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9.

The address of the next instruction to be executed by the current process is provided by the __________

A

CPU registers

B

Program counter

C

Process stack

D

Pipe

Correct Answer: B

None.

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10.

A Process Control Block(PCB) does not contain which of the following?

A

Code

B

Stack

C

Bootstrap program

D

Data

Correct Answer: C

None.

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