Tamil Nadu Open University (TNOU) 2009-2nd Sem M.C.A - - Operating Systems -- XI - Question Paper
M.C.A. DEGREE exam - 2009
(SECOND SEMESTER)
(PART-III)
(PAPER-XI)
240. OPERATING SYSTEMS
(Old Regulations)
Dec) (Time: three Hours
Maximum: 100 Marks
ans any 5 ques. (5×20=100)
1.a) discuss the concepts of OS. (10)
b) Write short notes on files. (10)
2.Discuss briefly the different problems involved in implementing inter process communication in message passing system. (20)
3.Explain process scheduling algorithms in detail. (20)
4.a) discuss contiguous memory allocation in detail. (10)
b)Define paging? What hardware is needed for paging? List out the advantages and disadvantages of paging. (10)
5.a) Why paging and segmentation is combined. (10)
b)How to implement RAM disk drive? discuss.
6.Explain in detail I/O hardware. (20)
7.a) Differentiate program and system threats. (10)
b) discuss different goals and domains of protection. (10)
8.Explain kernel I/O subsystem. (20)
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6946
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M.C.A. DEGREE EXAMINATION - 2009
(SECOND SEMESTER)
(PART-III)
(PAPER-XI)
240. OPERATING SYSTEMS
(Old Regulations)
Dec) (Time: 3 Hours
Maximum: 100 Marks
Answer any FIVE questions
Answer ALL questions (520=100)
1. a) Explain the concepts of OS. (10)
b) Write short notes on files. (10)
2. Discuss briefly the various issues involved in implementing inter process communication in message passing system. (20)
3. Explain process scheduling algorithms in detail. (20)
4. a) Explain contiguous memory allocation in detail. (10)
b) Define paging? What hardware is required for paging? List out the advantages and disadvantages of paging. (10)
5. a) Why paging and segmentation is combined. (10)
b) How to implement RAM disk drive? Explain.
6. Explain in detail I/O hardware. (20)
7. a) Differentiate program and system threats. (10)
b) Explain various goals and domains of protection. (10)
8. Explain kernel I/O subsystem. (20)
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| Earning: Approval pending. |
