Answer: An open-loop system is a control system that has no means for comparing the output (the results of the operation of any system) with input (something put into a system, such as resources, in order to achieve a result) for control purposes.
A closed-loop system is a control system that uses feedback from the output (the results of the operation of any system) to control the input (something put into a system, such as resources, in order to achieve a result).
Explanation: Foundation Of tech