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.


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 1 of 21

Interrupts which are initiated by an instruction are
Answer: (d).Software
Resources are allocated to the process on non-sharable basis is
Answer: (a).mutual exclusion
If the disk head is located initially at 32, find the number of disk moves required with FCFS if the disk queue of I/O blocks requests are 98, 37, 14, 124, 65, 67.
Answer: (c).321
Given memory partitions of 100 K, 500 K, 200 K, 300 K and 600 K (in order) and processes of 212 K, 417 K, 112 K, and 426 K (in order), using the first-fit algorithm, in which partition would the process requiring 426 K be placed ?
Answer: (d).600 K
The problem of indefinite blockage of low-priority jobs in general priority scheduling algorithm can be solved using :
Answer: (b).Aging
Which of the following memory allocation scheme suffers from external fragmentation ?
Answer: (a).Segmentation
Match the following :
List – I                                              List – II
a. Critical region                            1. Hoares Monitor
b. Wait/signal                                 2. Mutual exclusion
c. Working set                               3. Principal of locality
d. Dead lock                                  4. Circular wait

Codes : a b c d
Answer: (a).2 1 3 4
Which of the following features will characterize an OS as multiprogrammed OS ?

(a) More than one program may be loaded into main memory at the same time.
(b) If a program waits for certain event another program is immediately scheduled.
(c) If the execution of a program terminates, another program is immediately scheduled.
Answer: (d).(a), (b) and (c) only
A thread is a light weight process. In the above statement, weight refers to
Answer: (b).number of resources
Consider a system having m resources of the same type. These resources are shared by 3 processes A, B and C which have peak demands of 3, 4 and 6 respectively. For what value of m deadlock will not occur ?
Answer: (d).13
Page 1 of 21

Suggested Topics

Are you eager to expand your knowledge beyond Operating System? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!