Operating Systems – November 2013

Part – A

    1. Explain the types of processor modes.
    2. What is physical and logical addressing?
    3. What is interprocess communication (IPC)? Give an example.
    4. What are the conditions for deadlock to occur?
    5. Explain memory management and its levels.
    6. Distinguish between linking and relocating.
    7. Write short notes on I/O devices.
    8. Define platter.
    9. List out mechanism for protecting software resources.
    10. Write about object-oriented operating systems.

Part – B

Unit -I

  1. Explain briefly the system calls illustrating the flowcontrol of system call.
  2. Explain about file and I/O system calls.

Unit -II

  1. Explain about mutual exclusion.
  2. Briefly explain IPC pattern: Producer-consumer.

Unit -III

  1. Write short notes on linking and loading a processandhowdo we create a load module?
  2. Explain the technique of segmentation in detail.

Unit -IV

  1. Explain briefly devices and controllers.
  2. Define raid devices and explain its functionality.

Unit -V

  1. What is the use of cryptography in computer security?
  2. Discuss about user authentication in detail.

Attention : This exam questions are converted from the real exam paper to a digital text format by using an OCR Software that may made some mistakes, I reviewed it many times to correct it, But may still there some errors that I missed or misspelled, So if you detect an error or mistake PLEASE report by adding a comment or contact me.