Sensor, the processor and an output transducer
I'm not sure I can do a better job than the folks on this page I've asked them permission to use their content, and I am awaiting their response.
You can read and study from the top of the page and stop when you get to the section titled, "Analogue and Digital Sensors", which you do not need to know for this topic.
Standards[edit]
- Explain the relationship between a sensor, the processor and an output transducer.