Computer Science for IGCSE & O level - Hardware (Section 22 - No. 19) | ExamPlay

Computer Science for IGCSE & O level - Hardware (Section 22 - No. 19)

In an optical mouse, which element emits light onto the surface?

Lens

CMOS

LED

Microprocessor

Explanation

The LED (light-emitting diode) emits light onto the surface.

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