a) What is signal conditioning and what is the difference between analog and digital signal conditioning? (10 marks) b) Define clearly what a Final Control Element is, and give two examples of when a Final Control Element is applied in a process (10 marks) c) List out 3 communication protocols used and explain when they are applied in process control (10 marks) d) How would you choose between using a Thermocouple, Thermistor, and Resistance Temperature Device (RTD)? You can use an example to illustrate your explanation. (10 marks)