Take Another Quiz

Os-3

10 Questions
Operating System Quizzes & Trivia
Questions and Answers
  • 1. 
    A critical region
    • A. 

      Is a piece of code which only one process executes at a time

    • B. 

      Is a region prone to deadlock

    • C. 

      Is a piece of code which only a finite number of processes execute

    • D. 

      Is found only in Windows NT operation system

  • 2. 
    The mechanism that bring a page into memory only when it is needed is called _____________
    • A. 

      Segmentation

    • B. 

      Fragmentation

    • C. 

      Demand Paging

    • D. 

      Page Replacement

  • 3. 
    PCB =
    • A. 

      Program Control Block

    • B. 

      Process Control Block

    • C. 

      Process Communication Block

    • D. 

      None of the above

  • 4. 
    Switching the CPU to another Process requires to save state of the old process and loading new process state is called as __________.
    • A. 

      Process Blocking

    • B. 

      Context Switch

    • C. 

      Time Sharing

    • D. 

      None of the above

  • 5. 
    Which directory implementation is used in most Operating System?
    • A. 

      Single level directory structure

    • B. 

      Two level directory structure

    • C. 

      Tree directory structure

    • D. 

      Acyclic directory structure

  • 6. 
    The Banker¿s algorithm is used
    • A. 

      To prevent deadlock in operating systems

    • B. 

      To detect deadlock in operating systems

    • C. 

      To rectify a deadlocked state

    • D. 

      None of the above

  • 7. 
    A thread
    • A. 

      Is a lightweight process where the context switching is low

    • B. 

      Is a lightweight process where the context swithching is high

    • C. 

      Is used to speed up paging

    • D. 

      None of the above

  • 8. 
    ______ is a high level abstraction over Semaphore.
    • A. 

      Shared memory

    • B. 

      Message passing

    • C. 

      Monitor

    • D. 

      Mutual exclusion

  • 9. 
    A tree sturctured file directory system
    • A. 

      Allows easy storage and retrieval of file names

    • B. 

      Is a much debated unecessary feature

    • C. 

      Is not essential when we have millions of files

    • D. 

      None of the above

  • 10. 
    Which of the following will determine your choice of systems software for your computer ?
    • A. 

      Is the applications software you want to use compatible with it Is the applications software you want to use compatible with it?

    • B. 

      Is it expensive ?

    • C. 

      Is it compatible with your hardware ?

    • D. 

      Both 1 and 3