Which device uses light sensors to detect movement on a surface?

A ) Mouse

B ) Optical mouse ✅

C ) Trackball

D ) Stylus

Explanation: An optical mouse uses light sensors to detect movement on a surface.
Related Questions
  1. Which device is used to input handwriting and drawings into a computer?
  2. What is the purpose of a barcode reader?
  3. Which device is used for reading characters on paper and converting them into digital form?
  4. What is the primary function of a joystick?
  5. What does the acronym "OCR" stand for in the context of input devices?
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