Practice test

Data representation - Test Set 6

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which command is used to clear the screen in MS-DOS?
    1. CLS
    2. Clear
    3. Clear screen
    4. Wipe
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  2. Question 2

    What is not correct regarding the GNU operating system?
    1. It is an open source software.
    2. It is not compatible with Unix.
    3. Its full form is ‘GNU’s Not Unix’
    4. It was started by Richard Stallman.
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  3. Question 3

    Which of the following is an open source operating system?
    1. Windows Vista
    2. Windows 10
    3. Android
    4. iOS
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  4. Question 4

    Which of the following is not a version of android mobile operating system?
    1. Lollipop
    2. Pie
    3. Marshmallow
    4. Candy Bean
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  5. Question 5

    Which one of the following is not an operating system?
    1. Intel
    2. Windows
    3. Linux
    4. Unix
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  6. Question 6

    Who developed the operating system Linux started as a project by a student of Finland?
    1. Leonard M. Adleman
    2. Linus Torvalds
    3. Barbara Liskov
    4. Leslie Lamport
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  7. Question 7

    Which of the following operating systems was first developed by Microsoft?
    1. Windows 97
    2. Windows ME
    3. MS-DOS
    4. Windows NT
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  8. Question 8

    Which of the following operating systems is also known as single user operating system?
    1. Linux
    2. Windows
    3. Unix
    4. DOS
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  9. Question 9

    Which of the following is not an external command of DOS?
    1. Cls
    2. Chkdsk
    3. Format
    4. Label
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  10. Question 10

    Which command in MS-DOS is used to copy files from one directory to another?
    1. Move
    2. Copy
    3. Rename
    4. Del
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  11. Question 11

    DEL command is used to
    1. delete files
    2. delete directory
    3. delete tables
    4. Both (a) and (b)
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  12. Question 12

    Which command is used to delete file from a directory in DOS?
    1. Ren
    2. Md
    3. Del
    4. Cd
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  13. Question 13

    A command, in DOS, used to set a name to a disk, is
    1. Label
    2. Cls
    3. Ren
    4. Vol
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  14. Question 14

    Which of the following is an operating system?
    1. MS-word
    2. DragonFlyBSD
    3. MS-powerpoint
    4. MS-paint
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  15. Question 15

    Which company developed the android mobile operating system?
    1. Apple inc.
    2. Symbian Ltd.
    3. Google
    4. Microsoft
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  16. Question 16

    Which of the following is the core of an operating system?
    1. Ventura
    2. Genics
    3. Device Driver
    4. Kernel
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  17. Question 17

    Which of the following is the core part of Linux and is responsible for all major activities?
    1. Kernel
    2. Shale
    3. GUI
    4. Editor
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  18. Question 18

    Which type of computer program acts as a bridge between a computer user and the computer hardware?
    1. Random access memory
    2. Operating system
    3. Kernel
    4. User thread
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  19. Question 19

    The operating system of the computer is an example of___________.
    1. system software
    2. application software
    3. application platform
    4. hardware
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  20. Question 20

    The interface between the user and the computer hardware is known as_____.
    1. operating unit
    2. software
    3. operating system
    4. modem
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