Operating System MCQ Questions and Answers
1. Which Module gives control of the CPU to the process selected by the short-term scheduler ?
Answer : A
2. Which scheduling algorithm allocates the CPU first to the process that requests the CPU first ?
Answer : C
3. A Process Control Block (PCB) does not contain which of the following :
Answer : D
4. File type can be represented by :
Answer : A
5. Because of virtual memory, the memory can be shared among
Answer : A
Operating System MCQ
6. Swap space exists in
Answer : C
7. Effective access time is directly proportional to
Answer : A
8. Linux is
Answer : C
9. Which one of the following is deadlock avoidance algorithm
Answer : C
10. Logical memory is broken into blocks of the same size called ______
Answer : A
Operating System MCQ
11. The ______ is used as index into the page table.
Answer : A
12. A monitor is a type of ______
Answer : C
13. ______ is the layer of a computer system between the hardware and the user program.
Answer : A
14. Operating system is an example of ______
Answer : A
15. Run time mapping from virtual to physical address is done by :
Answer : A
Operating System MCQ
16. The ______ register is read by the host to get input.
Answer : C
17. Illegal address are trapped using the ______ bit.
Answer : C
18. A system is in a safe state, only if there exists a :
Answer : C
19. A problem encountered in multitasking when a process is perpetually denied necessary resources is called
Answer : C
20. If a process fails, most operating system write the error information to a :
Answer : A
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