Monday 14 October 2013

important operating system questions only

Important Operating System interview questions.

Find Most important Operating system interview Questions here.

Set 1 :-  Process

    1. What do you mean by Context Switch.
    2.  Distinguish between long term and short term scheduler.
    3. Explain about process creation in Unix.
      4.
    4. What is CPU scheduling? Write down the criteria for CPU scheduling .
    5.  What do you mean by process synchronization.
    6.  What is race condition? What will happen if it is not handled.
    7. What is critical section? What are the requirements to its solution.
    8. What is semaphore? What are the types of it.
    9. Explain about the resource allocation graph.

    Solution to these process questions and more important question answer on process.
    Question Answer on Process


    Set 2 :- General operating system questions
    1. .What is an Operating System .
    2. What is Kernel .
    3. What is Scheduling. What is Job Scheduling and CPU Scheduling.
    4.  What is System Calls?
    5. What is Spooling? Explain.
    6. What is Virtual machine? Explain.
    Solution to these General questions and more important General question answer on OS.
    Question Answer on General OS .



    Set 3 :- Storage Management
    1. What is address binding? Explain its types.
    2. Distinguish between logical addresses Vs Physical address.
    3. What is Swapping? Explain.
    4. What is fragmentation? Distinguish between its types.
    5. What is Virtual memory? What are the benefits of it?
    Solution



    Set 4 :- DOS
    1.  What is command interpreter in DOS?
    2. What is File Allocation Table (FAT)?
    3. What is Batch file?
    4. Explain memory management scheme employed in DOS.
    5. Discuss on BIOS.

    ALL DOS important question and answers



    Set 5 :- Unix

    1. What is Zombie process in Unix?
    2. What do you mean by a Shell in Unix?
    3. Distinguish between fork() and vfork().
    4. Explain how memory is managed by Unix operating system.



    Set 6 :- File System
    1. What is file? What are the operations performed on a file?
    2. What is Encryption?
    3. What do you mean by Cryptography?



    If you have any questions or suggestion, feel free to post comments.





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