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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:
- Operating System Services
- Multiprogramming Operation System
2. (a) Explain the following:
- Contiguous allocation method
- 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:
- PDC
- BDC
10. Explain any three of the following:
- Web Server
- DNS and DHCP
- Installation of WINDOWS NT Steps
- Swapping and Spooling
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