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

Recently Added Subject & Categories For All Competitive Exams

250+ Synonyms Questions and Answers Test For SSC CHSL 2023

Important General English Comprehension Topic-Wise Multiple Choice Questions Mock Test With Fully Solved Solutions PDF For SSC CHSL 10+2 Tier 1 2023 Examination

May-30-2023 by Careericons

Continue Reading »

Top 200+ Coding and Decoding MCQ Test PDF For SSC CHSL 2023

All New Verbal Reasoning Ability Topics-Wise Multiple Choice Questions And Answers Practice Quiz [Free PDF] & Mock Test Series For SSC 10+2 CHSL 2023 Tier1 Exam

May-29-2023 by Careericons

Continue Reading »

200+ Power Surds & Indices MCQ Test For SSC CHSL Tier 1 2023

Important New Surds And Indices Quantitative Aptitude Topic-Wise Multiple Choice Questions And Answers PDF & Online Practice Test For SSC CHSL Tier 1 2023 Exam

May-27-2023 by Careericons

Continue Reading »

250+ Coding and Decoding MCQ Test PDF For SSC CGL Tier1 2023

Complete General Intelligence And Reasoning Topic-Wise Multiple Choice Questions With Answers Online Practice Exercises & Mock Test For SSC CGL Tier 1 2023 Exam

May-27-2023 by Careericons

Continue Reading »