Operating System (OS), Graphical User Interface (GUI) and Functions › MCQ Quiz - Class 8 - Operating System › Question #25562
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QThe two main types of user interfaces are:

ID: #25562 MCQ Quiz - Class 8 - Operating System 1 views
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#25562Q ID
ModerateDifficulty
MCQ Quiz - Class 8 - Operating SystemTopic
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  • A CLI and GUI ✔ ✖
  • B OS and BIOS ✔ ✖
  • C RAM and ROM ✔ ✖
  • D Input and Output ✔ ✖
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Explanation

Correct Answer Explanation:

The two main types of user interfaces are CLI (Command Line Interface, where users type commands) and GUI (Graphical User Interface, which uses icons, windows, and menus).

Why the other options are incorrect:

  • Option B: OS is the Operating System and BIOS is basic input/output firmware — these are not user interface types.
  • Option C: RAM and ROM are types of computer memory, not user interfaces.
  • Option D: Input and Output are types of devices or data flow directions, not user interface types.
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