Operating System 2017 – BSc Computer Science Part 2 (MJPRU)

Paper code: 13513
1513
B.Sc. (Computer Science) (Part 2)
Examination, 2017
Paper No. 2.1
OPERATING SYSTEM

Time: Three Hours] [Maximum Marks: 33

Note: Attempt five questions in all selecting one question from each unit.

Unit-1

1. (a) ‘Operating System work as a resource manager.’ Explain this statement.

(b) Explain the following:

1. Operating System Services
2. Multiprogramming Operation System

2. (a) Explain the following:

1. Contiguous allocation method
2. Single level directory system

(b) Explain Hierarchical model of file system.

Unit-2

3. (a) Explain the process view of operating system.

(b)Explain job scheduler and process scheduler.

4. (a) Explain the evaluation of Round Robin multi-programming performance.

(b) What is Race Condition? Explain deadly embraces.

Unit-3

5. (a) Explain dynamic partition specification with example.

(b) Explain the First-Fit partition algorithm.

6. (a) What is Fragmentation? How can it be overcome?

(b) Explain the following:

(i) Virtual demand paging

(ii) Differentiate paging and segmentation

Unit-4

7. (a) Explain access matrix and its implementation.

(b) What is Resource Protection? Explain dynamic protection structure.

8. Explain the following:

(i) Domain and Protection

(ii) Markov Model

(iii) Resource Protection Mechanism

Unit-5

9. (a) What is WINDOWS NT? Explain its utility.

(b) Explain the following terms:

1. PDC
2. BDC

10. Explain any three of the following:

1. Web Server
2. DNS and DHCP
3. Installation of WINDOWS NT Steps
4. Swapping and Spooling

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