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Welcome to the Operating System MCQs Page

Dive deep into the fascinating world of Operating System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Operating System, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Operating System, 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 UGC CBSE NET Exam.

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

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

Operating System MCQs | Page 17 of 21

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Q161.
Bankers algorithm is for

a.

Dead lock Prevention

b.

Dead lock Avoidance

c.

Dead lock Detection

d.

Dead lock creation

Discuss
Answer: (b).Dead lock Avoidance
Q162.
Which is the correct definition of a valid process transition in an operating system ?

a.

Wake up : Ready → Running

b.

Dispatch : Ready→ Running

c.

Block : Ready → Running

d.

Timer run out : Ready → Blocked

Discuss
Answer: (b).Dispatch : Ready→ Running
Q163.
Semaphores are used to:

a.

Synchronise critical resources to prevent deadlock

b.

Synchronise critical resources to prevent contention

c.

Do I/o

d.

Facilitate memory management

Discuss
Answer: (a).Synchronise critical resources to prevent deadlock
Q164.
In which of the following storage replacement strategies, is a program placed in the largest available hole in the memory?

a.

Best fit

b.

First fit

c.

Worst fit

d.

Buddy

Discuss
Answer: (c).Worst fit
Q165.
Remote computing system involves the use of timesharing systems and:

a.

Real time processing

b.

Batch processing

c.

Multiprocessing

d.

All of the above

Discuss
Answer: (b).Batch processing
Q166.
Match the following

(a) Disk scheduling                 (1) Round robin
(b) Batch processing               (2) Scan
(c) Time sharing                       (3) LIFO
(d) Interrupt processing          (4) FIFO

a.

a-3, b-4, c-2, d-1

b.

a-4, b-3, c-2, d-1

c.

a-2, b-4, c-1, d-3

d.

a-3, b-4, c-1, d-2

Discuss
Answer: (c).a-2, b-4, c-1, d-3
Q167.
IC 80287 is:

a.

Graphics Processor

b.

Microprocessor

c.

Micro-controller

d.

Co-processor

Discuss
Answer: (d).Co-processor
Q168.
A solution to external fragmentation.

a.

Segmentation

b.

Compaction

c.

Swapping

d.

Thrashing

Discuss
Answer: (b).Compaction
Q169.
Not a storage placement strategy for an incoming program/data:

a.

First Fit

b.

Average Fit

c.

Worst Fit

d.

Best Fit

Discuss
Answer: (b).Average Fit
Q170.
A preemptive type of process scheduling strategy:

a.

Highest Response Ratio Next Scheduling

b.

Shortest Job First Scheduling

c.

First in First out Scheduling

d.

Shortest Remaining Time Next Scheduling

Discuss
Answer: (d).Shortest Remaining Time Next Scheduling
Page 17 of 21

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