B.Voc. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Software Development
OPERATING SYSTEMS
(CBCS 2015 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. What is Booting?
2. What is meant by Cache Memory?
3. Expand PSW.
4. Define a Processor.
5. What is Segmentation?
6. Define Multiprogramming.
7. Define Encryption.
8. Define OTP.
9. What is Unix?
10. Write any three commands in Unix.
Sub. Code
5SD3C1
RW-1024
2
Sp 5
Part B 5 25)
Answer all questions, choosing either or
11. Explain different types of I/O channels.
Or
Explain briefly the functions of operating system.
12. Explain condition for deadlock.
Or
Write short note on Process Synchronization.
13. Explain Swapping Technique.
Or
Explain the functions of memory management
briefly.
14. Explain the goals of Protection.
Or
Explain the Security Problem in Operating System.
15. Explain File system of Unix.
Or
Explain Unix Operating System and its features.
RW-1024
3
Sp 5
Part C x 10 30)
Answer any three of the following.
16. Explain briefly the structure of Operating System.
17. Illustrate Round Robin Scheduling.
18. Explain Single Contiguous memory allocation.
19. Explain types of Program threats.
20. Explain Architecture of Unix.
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