An Important Difference Between the Open- and Closed-Loop Control Systems

Multiple Choice

An important difference between the open- and closed-loop control systems is that the:

A) Closed-loop system involves feedback;the open-loop system does not
B) Open-loop system involves feedback;the closed-loop system does not
C) Closed-loop system involves movement instructions;the open-loop system does not
D) Open-loop system involves movement instructions;the closed-loop system does not