Download JNTUA MCA 2019 May Reg-Supply 3rd Sem 17F00305 Operating Systems Question Paper

Download JNTU Anantapur (JNTU Anantapur) Master of Computer Applications (MCA) 2019 May Reg-Supply 3rd Sem 17F00305 Operating Systems Previous Question Paper

Code: 17F00305

MCA III Semester Supplementary Examinations May 2019
OPERATING SYSTEMS
(For 2017 admitted batches only)

Time: 3 hours Max. Marks: 60

Answer all the questions

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1 Describe system calls. Also explain different types of system calls provided by an operating
system.
OR
2 Explain process scheduling and inter process communication in detail.

3 Explain in detail of critical section problem.
OR
4 (a) Describe shortest job first scheduling algorithm.
(b) Explain the scheduling criteria.

5 Explain the concepts of Paging and the structure of page table in detail.
OR
6 What is a deadlock? Explain the deadlock recovery process.

7 Describe in detail about the RAID structure.
OR
8 Discuss the operating structure of a file-system implementation and directory implementation.

9 Write about the following:
(a) Domain of protection.
(b) Language based protection.
OR
10 Write a brief note on cryptography and how to use it in computer security with one example.

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