Computer Science for IGCSE & O level - Hardware (Section 6 - No. 50)
What does the microprocessor use to determine if it is daytime or nighttime in the street lighting system?
The status of the street lamp.
The ADC signal.
The light sensor signal.
The power supply voltage.
คำอธิบาย
The microprocessor uses the light sensor to determine the level of ambient light.