App Logo

No.1 PSC Learning App

1M+ Downloads

which of the following statements are true?

  1. A joystick is a pointing input device used in computer games
  2. A device that converts printed black/white lines (Bar codes) into numbers during decoding - Bar code reader
  3. A light pen is a pen-shaped input device used to draw on the screen

    AAll of these

    BNone of these

    Cii only

    Dii, iii

    Answer:

    A. All of these

    Read Explanation:

    • A device that converts printed black/white lines (Bar codes) into numbers during decoding - Bar code reader
    • A light pen is a pen-shaped input device used to draw on the screen
     

     


    Related Questions:

    ഒരു പോയിന്റിങ്ങ് ഇൻപുട്ട് ഡിവൈസിന് ഉദാഹരണം ഏത് ?
    Which is the Supercomputer developed by ISRO ?
    The process of producing useful information for the user is called _________?
    The heart of an operating system is called :
    Computer Printer is an example of: