Computer Bharathidasan University,B.C.A. Degree Examination,Operating Systems,Nov 2020. model question papers



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Posted Date: 18 Jan 2021      Posted By:: Jannane.M    Member Level: Gold  Points: 3 (₹ 2)

2020 Computer Bharathidasan University,B.C.A. Degree Examination,Operating Systems,Nov 2020. Question paper



Course: B.C.A.   University/board: Bharathidasan University

Are you looking for the old question papers from Bharathidasan University of Operating Systems paper? Here is the previous year question paper from Bharathidasan University. This is the original question papers of Operating Systems,Fifth Semester exam conducted in Nov 2020. Feel free to download the question paper from here and use it to prepare for your upcoming exams.



S.No. 15127 D 16SCCCA6

(For Candidates admitted from 2016-17 onwards)

BSc DEGREE EXAMINATION, NOV 2020.

Part III - Computer Applications/Computer Science/Information technology - Major

OPERATING SYSTEMS

Time : Three Hours Maximum: 75 marks

SECTION A - (10×2=20)

Answer all questions

1. What is firmware?

2. Define Workstation.

3. What is reallocation in memory management?

4. What are page faults?

5. What is non preemptive scheduling policy?

6. What is meant by explicit parallelism?

7. Define Channel Status Word(CSW)

8. Define seek Time.

9. What is meant by absolute filename?

10. Define Access control Matrix.

SECTION B - (5×5=25)

Answer all questions choosing either (a) or (b)

11.a) Describe the logical view of a typical computer system hardware configuration.

Or

b) Discuss evolution of Operating System software and computers after 1990.

12.a) Briefly explain the first - fit memory allocation schemes.

Or

b) Explain the basic concept of demand paging.

13.a) What is process scheduler? Explain the job and process states.

Or

b) What is dead lock?How to detect and recover Fram deadlocks.

14.a) Discuss the features of dedicated ,shared,and virtual devices.

Or

b) Discuss the components of the I/O subsystem.

15.a) Describe the fundamentals of file management and the structure of the file management system.

Or

b) Differentiate the contiguous and non-contiguous storage allocation.

SECTION C - (3×10=30)

Answer any Three questions out of Five questions.

16.Explain how the five categories of computer system are distinguished by response time and how data is entered into the system.

17.Explain the basic functionality of fixed partition memory management with algorithm.

18. Explain the three types of typical multiprocessing configurations.

19. What is direct access storage device? Explain fixed head magnetic disk storage and optical disc storage device in brief.

20. Elaborately discuss about the sequential ,direct and indexed sequential file organisation.





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