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Computer Science :: Operating System

  1. Special software to create a job queue is called a

  2. A.

     Drive

    B.

     Spooler

    C.

     Interpreter

    D.

     Linkage editor

    E.

     None of the above


  3. All the time a computer is switched on, its operating system software has to stay in

  4. A.

     main storage

    B.

     primary storage

    C.

     floppy disk

    D.

     disk drive

    E.

     None of the above


  5. Can you name of the major Operating System used in computers?

  6. A.

     MS DOS

    B.

     OS/2

    C.

     UNIX

    D.

     All of the above

    E.

     None of the above


  7. Which of the following is not an advantage of multiprogramming?

  8. A.

     increased throughput

    B.

     shorter response time

    C.

     decreased operating-system overhead

    D.

     ability to assign priorities to jobs

    E.

     None of the above


  9. Virtual Memory

  10. A.

     is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

    B.

     consists of those addresses that may be generated by a processor during execution of a computation.

    C.

     is a method of allocating processor time.

    D.

     allows multiple programs to reside in separate areas of core at the time.

    E.

     None of the above


  11. In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into

  12. A.

     periods

    B.

     sectors

    C.

     zones

    D.

     groups

    E.

     None of the above


  13. The total time to prepare a disk drive mechanism for a block of data to be read from it is

  14. A.

     latency

    B.

     latency plus transmission time

    C.

     latency plus seek time

    D.

     latency plus seek time plus transmission time

    E.

     None of the above


  15. Part of a program where the shared memory is accessed and which should be executed invisibly is called

  16. A.

     semaphores

    B.

     directory

    C.

     critical section

    D.

     mutual exclusion

    E.

     None of the above


  17. Indicate which, of the following, is not true about Nassi-Shneiderman charts

  18. A.

     These charts are type of graphical design tool

    B.

     These charts cannot represent CASE constructs

    C.

     These charts can represent three fundamental control structures

    D.

     All of the above

    E.

     None of the above


  19. What is the name of the operating system that reads and reacts in terms of actual time.

  20. A.

     Batch system

    B.

     Quick response system

    C.

     Real time system

    D.

     Time sharing system

    E.

     None of the above