A control system typically comprises of a computer or microprocessormicroprocessor: An integrated circuit which contains the processor of a computer all on one chip., a control program which handles datadata: information which has been organised or presented for analysis from sensorssensors: Sensors are used to measure physical quantities such as temperature, light, pressure, sound, and humidity. They send signals to the processor. and sends signals to output devices and an interface box to convert signals between the sensors and the processor [processor: The processor is an area in a computer which controls the running of the computer and carries out instructions. ].