1. Explain the various types of computer systems.                                                     (16)

2. Explain how protection is provided for the hardware resources by the operating system. (16)

3. What are the system components of an operating system & explain them?                              (16)

4. Write about the various system calls.                                                              (16)

5. What are the various process scheduling concepts?                                                  (16)

6. Explain about interprocess communication.                                                          (16)

7. Give an overview about threads.                                                                   (16)

8. Explain in detail about the threading issues.                                                     (16)

9. (i) Explain the facilities provided by the following operating system                             (10)

  (ii)   List   out   the   services   provided   by   operating   systems   to   programs   and   to   the  users   of

      program.                                                                                       (6)

10. (i) Explain the process creation and termination process on process.                             (8)

    (ii) Write short notes on co-operating process and schedulers.                                   (8)

11. (i) List and discuss the various services provided by the operating system.                      (8)

    (ii) List and discuss the important modules of an operating system                               (8)

13. (i) Define the essential properties of Real time operating Systems                               (6)

   (ii) Discuss briefly the various issues involved in implementing Inter process

        communication (IPC) in message passing system.                                               (10)

14 (i) Explain the different operations of processes.                                                 (6)

    (ii) Differentiate symmetric and asymmetric multiprocessing system.                               (6)

   (iii) In what ways is the modular kernel approach similar to the layered approach?

        In what ways does it differ from the layered approach?                                       (4)