Operating System Questions Practice Question and Answer

Q:

Which interface is provided to access the services of the operating system?

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  • 1
    system calls
    Correct
    Wrong
  • 2
    API
    Correct
    Wrong
  • 3
    library
    Correct
    Wrong
  • 4
    assembly instructions
    Correct
    Wrong
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Answer : 1. "system calls"

Q:

Which of the following is not true?

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  • 1
    Kernel is a program that constitutes the central core of an operating system
    Correct
    Wrong
  • 2
    Kernel is the first part of the operating system to be loaded into memory during booting
    Correct
    Wrong
  • 3
    Kernel is made up of various modules which cannot be loaded into running operating system
    Correct
    Wrong
  • 4
    Kernel remains in memory during the entire computer session
    Correct
    Wrong
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Answer : 3. "Kernel is made up of various modules which cannot be loaded into running operating system"

Q:

Which of the following is an example of a mobile operating system?

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  • 1
    Keyboard
    Correct
    Wrong
  • 2
    Chrome
    Correct
    Wrong
  • 3
    Android
    Correct
    Wrong
  • 4
    Modem
    Correct
    Wrong
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Answer : 3. "Android"
Explanation :

1. Android OS is a mobile operating system based on a modified version of the Linux kernel.

2. It is an open-source software, primarily designed for touchscreen mobile devices like smartphones and tablets.

3. It is a GUI-based OS.

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