Computer Science for IGCSE & O level - Hardware (Section 30 - No. 1)
Which of the following is an example of a control application using sensors?
Checking the temperature of a room.
Monitoring CO2 levels in a greenhouse.
Turning on streetlights at dusk.
Measuring humidity in a food storage facility.
คำอธิบาย
Turning on streetlights at dusk is a control action.