The example of a subsystem and system relationship is option
A) mechanical toggle, Xbox controller
Explanation:
Controls and Controllers are known as the mechanical, electro-mechanical, or electronic devices which are used to input signals to change the conditions or values which are in processes or access to buildings, operators, gated areas, etc.
When you press and hold the given Shift button, these buttons which are chosen becomes an alternate inputs.
Normally, there are three controllers(PID) which are used in any of the process industries inorder to maintain and control the required setpoint.
an example of a subsystem and system relationship is a mechanical toggle, Xbox controller
Controllers improve the steadiness and state of accuracy by decreasing the steady state error. When the steady state accuracy gets better, the stability also improves.
Controllers are also used to help in reducing the unwanted offsets which are produced by the system.
