Sathyabama University 2008 B.E Computer Science and Engineering Operating Systems - Question Paper

SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act, 1956)

 

Course & Branch: B.E/ B. Tech CSE/IT (Part Time)

Title of the paper: Operating Systems

Semester: II Max. Marks: 80

Sub.Code: 6CPT0007 (2006/2007 JAN) Time: 3 Hours

 

PART A (10 x 2 = 20)

Answer All the Questions

 

1. Define OS. Give examples.

2. List the factors to be considered in designing an OS.

 

3. Give the structure of a Process Control Block.

 

4. List the various methods used for scheduling the CPU.

 

5. What are monitors?

 

6. Name the conditions that result in a deadlock situation.

 

7. Write notes on internal fragmentation.

 

8. What is mounting?

 

9. Give the shell commands to (a) List the file names in a directory and (b) Create a directory.

 

10. Write in brief about the telnet service.

 

 

PART B (5 x 12 = 60)

Answer All the Questions

 

11. Explain in detail device management and different approaches for handling devices.

(or)

12. Describe the basic functions of a OS.

 

13. Write short notes on various CPU scheduling algorithms.

(or)

14. Explain in detail about semaphores.

 

15. Discuss how monitors are used in high level synchronization.

(or)

16. Discuss how bankers algorithm is used for deadlock avoidance.

 

17. Describe demand paging with proper examples.

(or)

18. Explain page replacement and various algorithms used for replacement.

 

19. Explain FTP.

(or)

20. Detail about the various control structures used in LINUX shell programming.