Which of the following is/are pointing device/devices? 1. Trackball

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Which of the following is/are pointing device/devices?

  • 1. Trackball
  • 2. Touchscreen

Select the correct answer using the code given below.

1 only
2 only
Both 1 and 2
Neither 1 nor 2
This question was previously asked in
UPSC CISF-AC-EXE – 2024
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Both Trackball and Touchscreen are types of pointing devices. A pointing device allows a user to interact with a computer interface by controlling a cursor or pointing to objects on the screen.
– A trackball is an input device used to enter motion data into computers or other electronic devices. It functions like an upside-down mouse; the user rolls a ball to move the cursor.
– A touchscreen is a display screen that can detect the presence and location of a touch within the display area, typically by a finger or stylus.
– Other common pointing devices include the mouse, touchpad, pointing stick, joystick, and graphics tablet.
– Pointing devices are essential for graphical user interfaces (GUIs) as they provide an intuitive way for users to interact with elements displayed on the screen.

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