M.Sc. DEGREE EXAMINATION, APRIL 2018
First Semester
Computer Science and Information Technology
Elective OPERATING SYSTEM
(CBCS 2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. What is multiprogramming?
2. What are the advantages of virtual memory with paging?
3. Differentiate between job scheduling and process
scheduling.
4. What do you mean by starvation?
5. What is parallel processing?
6. What are the types of devices?
7. Define the following terms Field File.
8. What is data compression?
9. What is the design goal of UNTX operating system?
10. What is the purpose of fork command?
Sub. Code
7MCI1E2
AFS-0664
2
Sp 3
Part B x 5 25)
Answer all questions, choosing either or
11. Explain the abstract representation of an operating
system and demonstrates how its major components
work together.
Or
Compare and contrast a dynamic partition system
and a relocatable dynamic partition system.
12. What is cache memory? Explain.
Or
What is a deadlock? Explain the seven cases of
deadlock.
13. Explain about the master/slave configuration of
multiprocessing.
Or
Describe the components of the I/O subsystem.
14. What are the responsibilities of file manager?
Describe.
Or
Explain the different levels in a file management
system.
15. Describe the history of UNIX operating system.
Or
Explain the memory management in UNIX
operating system.
AFS-0664
3
Sp 3
Part C x 10 30)
Answer any three questions.
16. What are the types of operating system? Explain.
17. Explain any two process scheduling algorithms.
18. What are the three categories of direct access storage
devices? Explain any two.
19. Discuss in detail about the NOS development.
20. What are the three types of files supported by UNIX?
Discuss.
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