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Computer Science :: Operating System

  1. The necessary conditions needed before deadlock can occur?

  2. A.

     No Mutual Exclusion, Hold and wait, Preemption, Circular Wait

    B.

     Mutual Exclusion, No Hold and wait, Preemption, Circular Wait

    C.

     Mutual Exclusion, Hold and wait, No Preemption, Circular Wait

    D.

     Mutual Exclusion, Hold and wait, Preemption, No Circular Wait


  3. The OS used to operate the mobile phone is a

  4. A.

     Smart card OS

    B.

     Embedded OS

    C.

     Multiuser OS

    D.

     None of above


  5. UNIX operating system is a(n)

  6. A.

     Time sharing operating system

    B.

     Multi-user operating system

    C.

     Multi-tasking operating system

    D.

     All of the above


  7. The ability of an operating system to control the activities of multiple program at the same time is called

  8. A.

     Multitasking

    B.

     Multiprocessing

    C.

     Multioperating

    D.

     Multipaging


  9. Disk label name can be up to ...... characters

  10. A.

     8

    B.

     9

    C.

     11

    D.

     255


  11. ...... is used in operating system to separate mechanism from policy

  12. A.

     Single level implementation

    B.

     Two level implementation

    C.

     Multi level implementation

    D.

     None


  13. The modern keyboard typically has __________ Function keys.

  14. A.

     10

    B.

     12

    C.

     14

    D.

     16


  15. Essential files of MS DOS are

  16. A.

     Command.com

    B.

     Io.sys

    C.

     Msdos.sys

    D.

     All of above


  17. Which Operating System doesn't support long file names?

  18. A.

     OS / 2

    B.

     Windows 95

    C.

     MS-DOS

    D.

     Windows NT


  19. We need system files to run

  20. A.

     MS Word

    B.

     MS Excel

    C.

     MS Dos

    D.

     MS Access