Kurukshetra University 2008 B.C.A Computer Application Operating System Organization and Unix - Question Paper

BCA 302

Operating System Organization and Unix

 

Time : 3 Hours Maximum Marks : 100

 

Note: Attempt any five questions. All questions carry equal marks.

 

 

1.     What is an Operating system ? Which types of operating system are available ? Also explain how an operating system act as resourse manager. [Marks : 20]

2.     Explain what is a process, thread and multi-threading. Which are various states of a process? Also explain the process scheduling.

[Marks : 20]

3.     Explain the memory management for multi-user operating systems.

[Marks : 20]

4.     What is Virtual memory? What is page replacement? Also explain various page replacement algorithms. [Marks : 20]

5.     What is I/O buffering? Which are disk scheduling policies? Explain.

[Marks : 20]

6.     Explain which operations can be implemented on a File, also explain various types of files along with their functions. [Marks : 20]

7.     What is Deadlock state ? Which are conditions for a deadlock ? Explain the various methods for handling deadlocks. [Marks : 20]

8.     What is meant of Security in operating system ? Which are available approaches to maintain security ? [Marks : 20]

9.     Explain the difference between :

(a)       Network and Distributed operating systems. [Marks : 10]

(b)       Real time and Time sharing operating systems. [Marks : 10]