Computer Science for IGCSE & O level - Hardware (Section 20 - No. 19)
In the street lighting control system, which component converts the light sensor's data into a form that can be processed by the microprocessor?
The light bulb
The microprocessor
The ADC
The power supply
Giải thích
The ADC converts the sensor's analog signal to a digital signal, which the microprocessor can understand.