Operating System MCQ with Answers Set 4

operating system online test mcqs

Operating System MCQ with answers set 4 contains 25 most important OS multiple choice questions with answers. These MCQs are helpful to prepare computer science related jobs tests. If you are preparing #UGC NET computer science GATE exam then must read it. This OS MCQ set contains MCQs related to process, OS deadlocks, different types of operating system, basic OS terms, scheduling algorithms, OS interrupts and more.

Operating System MCQs Set 4

1. To access the services of operating system, the interface is provided by the _____?

2. Which conditions must be satisfied to solve a critical section problem?

3. Which one of the following error will be handle by the operating system?

4. Which of the following operating system runs on the server?

5. What is the main function of the command interpreter?

6. The page replacement policy that sometimes leads to more page faults when the size of the memory is increased is _____?

7. The only slate transition that is initiated by the user process itself is _____?

8. Which one of the following is not a real time operating system?

9. Fragmentation is _____?

10. The OS X has _____?

11. Which of the following arc realtime systems?

12. What type of memory stores data in a swap file on a hard drive?

13. The systems which allow only one process execution at a time, are called _____?

14. Context switching is part of _____?

15. Which method is the best among file allocation methods?

16. In Unix, Which system call creates the new process?

17. Scheduling is _____?

18. A process can be terminated due to _____?

19. In paged memory systems, if the page size is increased, then the internal fragmentation generally _____?

20. Which of the following operating system write through catches?

21. An operating system contains 3 user processes each requiring 2 units of resource R. The minimum number of units of R such that no deadlock will ever occur is _____?

22. What is interprocess communication?

23. Cryptography in operating system is used for _____?

24. A set of processes is deadlock if _____?

25. Trap is a _____?

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