Guru Ghasidas University (GGU) 2008-2nd Sem M.C.A Computer Aplications (ester) , - Question Paper

Guru Ghasi Das University, Koni Campus, Bilaspur (C.G)

M.C.A (Second Semester) Examination, 2008
Paper: Second
PRINCILPLES OF OPERATING SYSTEM

Time Allowed : 3 hours
Maximum Marks: 100
Note: Attempt any 5 ques.. All ques. carry equal marks.


1. How will you discuss the term ‘Operating System’. elaborate the priorities when designing an operating system for user’s as well as system’s point of view, explain.

2. Explain time showing operating system.


3. What are various possible states of process? Briefly write down different units of a PCB.

4. Illustrate 1st come 1st serve scheduling algorithm.


5. What is a situation switch? elaborate long term and short term schedulers. Explain?

6. What is mean by Inter Process Communication (IPC), when it is required? discuss with examples.


7. What is critical part problem? elaborate semaphores and how they are useful?

8. Describe Virtual memory. Illustrate page replacement algorithms.


9. Write short note on any 2 of the following:
(a) Security threats
(b) Deadlock Characteristics
(c) Viruses
(d) File management.

Earning:   Approval pending.