Computer Science for IGCSE & O level - Hardware (Section 27 - No. 11)
In the greenhouse control example, the computer receives a signal if the humidity falls below a pre-set value. What is the computer likely to do in response?
Turn off the heater.
Reduce the light intensity.
Spray water to increase humidity.
Close the windows.
Explanation
The goal is to maintain humidity, so the computer will trigger the action to increase humidity.