Computer Science for IGCSE & O level - Hardware (Section 11 - No. 36)
In the context of street lighting control, what is the function of the ADC (Analog-to-Digital Converter)?
To convert digital data into analog signals for the lamps.
To convert the light sensor's analog signal into a digital signal.
To switch the street lamp on and off based on the sensor's value.
To store the light sensor's value in memory.
Giải thích
The ADC converts the analog signal from the light sensor into a digital signal that the microprocessor can understand.