Interview questions

Computer interview questions – page 78

3,888 questions. Tap “Show answer” to check yourself.

  1. What is the maximum length allowed for primary name of a computer file under DOS?

    1. A.3
    2. B.5
    3. C.8
    4. D.12
    Show answer

    C. 8

  2. Maximum length of DOS command using any optional parameter is

    1. A.26 characters
    2. B.87 characters
    3. C.127 characters
    4. D.156 characters
    Show answer

    C. 127 characters

  3. Which command is used to clear the screen and display the operating system prompt on the first line of the display?

    1. A.Cd
    2. B.Md
    3. C.Cls
    4. D.Rename
    Show answer

    C. Cls

  4. Delete directories

    1. A.skd, srbm
    2. B.nd, ndir
    3. C.rd, rmdir
    4. D.all of these
    Show answer

    C. rd, rmdir

  5. The primarily takes care of the behind the scenes details and manages the hardware

    1. A.Hard disk
    2. B.Peripheral devices
    3. C.Application software
    4. D.Operating system
    Show answer

    D. Operating system

  6. The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is

    1. A.DO NOT DELETE
    2. B.NO DELETE
    3. C.ONDELETE
    4. D.UNDELETE
    Show answer

    D. UNDELETE

  7. A front end processor is used in

    1. A.Multi programming
    2. B.Virtual storage
    3. C.Multi Network
    4. D.Time sharing
    Show answer

    D. Time sharing

  8. Which command is used to see the sub directory structure of drive?

    1. A.Tree
    2. B.Subtree
    3. C.Subdir
    4. D.List
    Show answer

    A. Tree

  9. External command is DOS are

    1. A.Sys, ver, vol
    2. B.Chkdsk, prompt, date
    3. C.Edit, sys, chkdsk
    4. D.Copy, edit, sys, format
    Show answer

    C. Edit, sys, chkdsk

  10. If you need to duplicate the entire disk, which command will you use?

    1. A.Format
    2. B.Diskcopy
    3. C.Chkdsk
    4. D.Copy
    Show answer

    B. Diskcopy

  11. RESTORE command is used to

    1. A.Restore files which are deleted recently
    2. B.Restore files from disks made using the BACKUP command
    3. C.Restore files is used to
    4. D.Restore files from recycle bin
    Show answer

    B. Restore files from disks made using the BACKUP command

  12. ____ used to create a new Directory or nested Directories.

    1. A.MZND or MKMDIR
    2. B.MD or MKDIR
    3. C.MND or MKNDIR
    4. D.DM or MFDIR
    Show answer

    B. MD or MKDIR

  13. While working with MS-DOS which command transfers a specific file from one disk to another?

    1. A.Diskcopy
    2. B.Copy
    3. C.Time
    4. D.Rename
    Show answer

    B. Copy

  14. Which of the following extensions suggest that the file is backup copy

    1. A.Txt
    2. B.Bak
    3. C.Com
    4. D.Bas
    Show answer

    B. Bak

  15. Embedded operating system used

    1. A.On a mainframe
    2. B.On a PDA
    3. C.On a desktop operating system
    4. D.On a networked PC
    Show answer

    B. On a PDA

  16. Extension name may be ___ to ___ characters.

    1. A.0-5
    2. B.0-6
    3. C.2-9
    4. D.0-3
    Show answer

    D. 0-3

  17. Multi programming systems

    1. A.Are used only on large mainframe computers
    2. B.Are easier to develop than single programming systems
    3. C.Execute more jobs at the same time
    4. D.Execute each faster
    Show answer

    C. Execute more jobs at the same time

  18. ____ loader is executed, when a system is first turned ON or restarted.

    1. A.Compile and Go
    2. B.Relating
    3. C.Harmish
    4. D.Bootstrap
    Show answer

    A. Compile and Go

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

    1. A.DVDs
    2. B.CDs
    3. C.Main storage
    4. D.Primary storage
    Show answer

    D. Primary storage

  20. The ___ commands are those which are included with "command.com" and no external file is needed to run those commands.

    1. A.Wild cards
    2. B.Super
    3. C.Internal
    4. D.External
    Show answer

    C. Internal

  21. In UNIX, name the system call which create(s) the new process?

    1. A.Fork
    2. B.New
    3. C.Create
    4. D.Creation
    Show answer

    A. Fork

  22. ____ is/are not the functions of operating system.

    1. A.Resource management
    2. B.Processor management
    3. C.File management
    4. D.Networking
    Show answer

    C. File management

  23. Operating system cannot be worked as a

    1. A.Memory manager
    2. B.Device manager
    3. C.Processor manager
    4. D.Communication manager
    Show answer

    D. Communication manager

  24. The simultaneous processing of two or more programs by multiple processors is called

    1. A.Multi processing
    2. B.Time sharing
    3. C.Multi tasking
    4. D.Multi programming
    Show answer

    A. Multi processing

  25. What is the collection of logically related information?

    1. A.File
    2. B.Word
    3. C.Processing
    4. D.Information
    Show answer

    A. File

  26. In MS-DOS what command you will use to display system date?

    1. A.Ver command
    2. B.Format command
    3. C.Date command
    4. D.Disk command
    Show answer

    C. Date command

  27. Which disk is used to cold boot a PC?

    1. A.Program disk
    2. B.Diagnostic disk
    3. C.System disk
    4. D.Setup disk
    Show answer

    C. System disk

  28. What is the name of the program that controls the overall functions of computer?

    1. A.A browser
    2. B.The file manager
    3. C.An application program
    4. D.The operating system
    Show answer

    D. The operating system

  29. hich of the following is/are file extension(s) in DOS?

    1. A.COM
    2. B.BAT
    3. C.EXE
    4. D.All of these
    Show answer

    D. All of these

  30. A process having multiple threads of control implies

    1. A.Only one task at a time, but much faster
    2. B.More than one task at a time
    3. C.Only one thread per process to use
    4. D.All of the above
    Show answer

    B. More than one task at a time

Companies that ask Computer questions