operating system Practice Questions Answers Test with Solutions & More Shortcuts

Question : 1

Of the following which is the methods for allocating disks

a) Contiguous

b) Linked

c) Indexed

d) All of the above

Answer: (b)

Question : 2

In the following processes: a = a + 1; b = 2 × b; b = b + 1; a = 2 × a; the output is.

a) a > b

b) a < b

c) a = b

d) None of these.

Answer: (d)

Question : 3

The page table that is maintained by operating system

a) Shows frame location for each page of the process

b) Shows actual address in main memory

c) Referrer memory location to memory

d) None of these.

Answer: (a)

Question : 4

Semaphores

a) are used to do I/O

b) Synchronize critical resources to prevent contention

c) synchronize critical resources to prevent deadlock.

d) allow processes to communicate with one another.

Answer: (c)

Question : 5

In memory management :A-Fixed allocation policy, B-Variable allocation policy: 1-It gives a process a fixed number of frames in main memory within which to execute. 2-It allows the number of page frames allocated to a process to be varied over the life time of the process. 3-In it a number of allocated frames are decided at initial load time.

a) A - 1, 3, B - 2

b) A - 1, B - 3

c) A - 2, B - 1, 3

d) A - 1, 2, B - 3

Answer: (a)

IMPORTANT computer mcq EXERCISES

operating system Shortcuts »

Click to Read...

operating system set 1 Online Quiz

Click to Start..
281 operating system based computer MCQ operating system set 1 question answer with explanation pdf

Recently Added Subject & Categories For All Competitive Exams

Coded Inequalities Reasoning Questions & Answers For Bank

New 150+ Coded Inequalities Verbal Reasoning Multiple-Choice Questions and Answers Free Practice Test & Online Quiz PDF For All IBPS PO SO & CLERK 2024 Exams

28-Nov-2023 by Careericons

Continue Reading »

150+ Problem Solving Questions and Answers For Bank Exams

Problem-Solving Verbal Reasoning Concepts based Multiple Choice Questions and Answers Mock Test & Online MCQ Quiz for All 2024 Upcoming IBPS PO Clerk SO Exam

28-Nov-2023 by Careericons

Continue Reading »

New 150+ Syllogism Verbal MCQ Test PDF For IBPS RRB Exams

Free Syllogism Practice Multiple Choice Questions with Solved Answer PDF and All Verbal Reasoning Topics Online Mock Test For IBPS RRB PO & Clerk Exams 2024.

27-Nov-2023 by Careericons

Continue Reading »

New 200+ Syllogism Questions & Answers PDF For SSC Exams

Free Verbal Reasoning Syllogism Multiple Choice Questions with Solved Answer PDF & Online Mock Test. Prepare for all upcoming SSC CGL, CHSL, MTS Exams 2024

25-Nov-2023 by Careericons

Continue Reading »