Question

which type of control system uses feedback to adjust its actions? open loop manual loop simple loop closed loop

Explanation:

Closed - loop control systems use feedback to adjust their actions. The feedback mechanism allows the system to compare the actual output with the desired output and make corrections accordingly. In contrast, open - loop systems do not use feedback, and manual loop and simple loop are not standard terms for the types of control systems based on feedback usage.

Answer:

D. Closed loop