Operating Systems – November 2012

Part – A

    1. What is operating system?
    2. Discuss about system calls?
    3. What is a deadlock?
    4. Discuss about semaphores.
    5. What is a dynamic linking?
    6. What is a fragmentation?
    7. Discuss about disk controllers.
    8. What is a disk caching?
    9. Explain user authentication.
    10. What is a micro-kernel OS?

Part – B

Unit -I

  1. Explain communication between processes.
  2. Explain the following terms:
    1. Interrupt handling.
    2. Operating system interface.

Unit -II

  1. Write about producer – consumer in IPC pattern.
  2. Define deadlock. Explain two phase locking.

Unit -III

  1. What is the need for Page Replacement? Explain FICO algorithm with an example.
  2. Explain the system calls used in memory management.

Unit -IV

  1. Explain file system organization and file descriptors.
  2. Explain devices and controllers.

Unit -V

  1. Explain briefly about resource management.
  2. Explain the following terms:
    1. Protection of resources
    2. ———

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.