A closed loop system is distinguished from open loop system by which of the following ?
Correct answer: B. Feedback
- A. Servomechanism
- B. Feedback
- C. Output pattern
- D. Input pattern
Explanation
Feedback returns a portion of the output to the input for comparison and correction, which is the defining feature of a closed-loop system. A servomechanism is merely an application of closed-loop control, not the defining distinction.
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