Computer Science for IGCSE & O level - Hardware (Section 11 - No. 30)
Which of the following is a use of sensors in a typical monitoring system?
Checking the temperature levels in a car engine.
Turning street lights on at night.
Controlling the environment in a greenhouse.
Commuting the temperature in a central heating/AC conditioning system.
Vysvetlenie
Sensors are used to gather data on the environment.