An optical mouse has a light emitting device known as ______.
2023
An optical mouse has a light emitting device known as ______.
- A.
Switch
- B.
Triode
- C.
Diode
- D.
Bulb
- E.
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Correct answer: C
An optical mouse uses a light-emitting device to detect movement. The device emits light that reflects off the surface and is detected by a sensor. The most common light-emitting device used in optical mice is a light-emitting diode (LED).