Computer Science for IGCSE & O level - Hardware (Section 16 - No. 8)
What is the function of an LED in an optical mouse?
To detect surface reflections.
To emit light onto the surface.
To control the movement of the cursor.
To power the mouse.
הֶסבֵּר
The LED emits light onto the surface, which is then reflected and detected by the CMOS sensor.