1. Explain the various Disk Scheduling algorithms with example. (08 Marks) (Dec.2019/Jan.2020)

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2. Explain access matrix method of system protection. (08 Marks) (Dec.2019/Jan.2020)

3. With a neat diagram explain in detail components of a Linux system. (06 Marks) (Dec.2019/Jan.2020)

4. Explain the different IPC mechanisms available in Linux. (05 Marks) (Dec.2019/Jan.2020)

5. Explain process scheduling in a Linux system. (05 Marks) (Dec.2019/Jan.2020)

6. Explain the access matrix model of implementing protection in operating system. (07 Marks) (June/July.2019)

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7. Explain the following disk scheduling algorithm in brief with examples:

I. FCFS scheduling

II. SSTF scheduling

III. SCAN scheduling

IV. LOOK scheduling (09 Marks) (June/July.2019)

8. Explain the components of LINUX system with a neat diagram. (08 Marks) (June/July.2019)

9. Explain the way process is managed in LINUX platform. (08 Marks) (June/July.2019)

10. Given the following sequences 95, 180, 34, 119, 11, 123, 62, 64 with the head initially at track 50 and ending at track 199. What is the total disk travelled by the disk arm to satisfy the request using FCFS, SSTF, LOOK and CLOOK algorithm? (12 Marks) (Dec.2018/Jan.2019)

11. Write short notes on access matrix and its implementations. (04 Marks) (Dec.2018/Jan.2019)

12. Explain the components of Linux system with a neat diagram. (08 Marks) (Dec.2018/Jan.2019)

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13. Describe briefly on Linux Kernel modules. (08 Marks) (Dec.2018/Jan.2019)

14. List the different disk scheduling techniques, explain any two scheduling, considering the following disk queue requests.98, 183, 37, 122, 14, 124, 55, 67. (06 Marks) (June/July 2018)

15. What is an access matrix? Explain the different methods of implementing access matrix. (06 Marks) (June/July 2018)

16. Explain bad - block recovery in disk. (04 Marks) (June/July 2018)

17. Explain the design principle of Linux. (06 Marks) (June/July 2018)

18. Explain the process management in Linux platform. (06 Marks) (June/July 2018)

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19. Explain the inter-process communication mechanisms in Linux. (04 Marks) (June/July 2018)

20. Suppose a disk drive has 5000 cylinders numbered 0 to 4999. Drive is currently serving request a cylinder 143 and previous request was at cylinder 125, queue of pending requests in FIFO order is 86, 1476, 913, 1774, 948, 1509, 1022, 1756, 130 starting from current head position, what is the total distances (in cylinder) that the disk arm moves to satisfy all pending request for FCFS, SSTF, LOOK and SCAN disk scheduling algorithm. (10 Marks) (Dec.2017/Jan.2018)

21. Explain access matrix with examples. (05 Marks) (Dec.2017/Jan.2018)

22. Explain the various questioning that arise in revocation of access rights. (05 Marks) (Dec.2017/Jan.2018)

23. Distinguish between fork ( ) and clone ( ) system call. Also customize the clone ( ) system call to fork ( ) functionality with suitable modifications/ settings. (08 Marks) (Dec.2017/Jan.2018)

24. Explain the Linux device drive with the block structure. (12 Marks) (Dec.2017/Jan.2018)

25. What is disk scheduling? Explain the following with diagram: i) FCFS; ii) SSTF; iii) SCAN. (10 Marks) (June/July.2017)

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26. What is an access matrix? Explain the following operations in access matrix with an example for each: i) Copy; ii) Transfer; iii) Limited copy. (10 Marks) (June/July.2017)

27. Explain the different components of a Linux system. (10 Marks) (June/July.2017)

28. Discuss how memory management is dealt with in Linux operating system. (10 Marks) (June/July.2017)

29. What is disk scheduling? Discuss different disk scheduling techniques. (12 Marks) (Dec.2016/Jan.2017)

30. Explain the capability lists methods of implementing access matrix. (08 Marks) (Dec.2016/Jan.2017)

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31. How does Linux achieve inter-process communication? (10 Marks) (Dec.2016/Jan.2017)

32. How does Linux manage authentication and access control mechanisms? (10 Marks) (Dec.2016/Jan.2017)