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Which of the following compares the output with the input and makes slight adjustments if required?

Which of the following compares the output with the input and makes slight adjustments if required? Correct Answer Controller

In an automated system, the component which compares the output with the input and makes slight adjustments in the process in order to reduce the difference between the input and output is controller.

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A system provides output yi(t) when xi(t) is applied. If the system is said to be LTI then which of the following properties must satisfy? (i).If the input is x3 = ax1(t) + bx2(t), then output must be y3(t) = ay1(t) + by2(t) (ii).If the input is x(t – T), then the output must be y (t – T) (iii).If the input is x3 = ax1(t) + bx2(t), then output must be y3(t) = ay1(t) * by2(t) (iv).If the input is x(t – T), then the output must be y(t + T)
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Signal Processing mcq question image
Where h(t) is shown in the graph
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