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Welcome to the Processes and Threads MCQs Page

Dive deep into the fascinating world of Processes and Threads with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Processes and Threads, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Processes and Threads, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Processes and Threads. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Processes and Threads. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Processes and Threads MCQs | Page 4 of 17

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Q31.
Which of the following is not the state of a process ?

a.

New

b.

Old

c.

Waiting

d.

Running

Discuss
Answer: (b).Old
Q32.
The Process Control Block is :

a.

Process type variable

b.

Data Structure

c.

a secondary storage section

d.

a Block in memory

Discuss
Answer: (b).Data Structure
Q33.
The entry of all the PCBs of the current processes is in :

a.

Process Register

b.

Program Counter

c.

Process Table

d.

Process Unit

Discuss
Answer: (c).Process Table
Q34.
A single thread of control allows the process to perform :

a.

only one task at a time

b.

multiple tasks at a time

c.

only two tasks at a time

d.

All of these

Discuss
Answer: (a).only one task at a time
Q35.
The objective of multi-programming is to :

a.

Have some process running at all times

b.

Have multiple programs waiting in a queue ready to run

c.

To maximize CPU utilization

d.

Both a and c

Discuss
Answer: (d).Both a and c
Q36.
Which of the following do not belong to queues for processes ?

a.

Job Queue

b.

PCB queue

c.

Device Queue

d.

Device Queue

Discuss
Answer: (b).PCB queue
Q37.
When the process issues an I/O request :

a.

It is placed in an I/O queue

b.

It is placed in a waiting queue

c.

It is placed in the ready queue

d.

It is placed in the Job queue

Discuss
Answer: (a).It is placed in an I/O queue
Q38.
When a process terminates :

a.

It is removed from all queues

b.

It is removed from all, but the job queue

c.

Its process control block is de-allocated

d.

both a and c

Discuss
Answer: (d).both a and c
Q39.
A thread is

a.

lightweight process where the context switching is low

b.

lightweight process where the context swithching is high

c.

used to speed up paging

d.

used in dead locks

Discuss
Answer: (a).lightweight process where the context switching is low
Q40.
Which one of the following can not be scheduled by the kernel?

a.

kernel level thread

b.

user level thread

c.

process

d.

none of the mentioned

Discuss
Answer: (b).user level thread
Page 4 of 17

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