Question

As the order of the filter increases, the cost ______ and complexity ______

(a) Increases, increases

(b) Increases, decreases

(c) Decreases, increases

(d) Decreases, decreases

I had been asked this question in an interview for internship.

This intriguing question originated from Baseband Systems and Signal Transmission through Linear Systems topic in division Signals and Spectra of Digital Communications

Answer 1

The correct choice is (a) Increases, increases

The best I can explain: According to the design of the filter as the order increases the complexity and cost of the filter also increases.