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Infinite Impulse Response (IIR) Filters Quiz

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1. Which of these is a fundamental characteristic of IIR Filters?

2. Which of the following characteristics distinguishes IIR filters from FIR filters?

3. How do IIR filters affect the phase of the input signal?

4. Which of the following statements is correct about the stability of IIR filters?

5. Which property of IIR filters can lead to increased computational efficiency compared to FIR filters?

6. What is the key difference between a Butterworth IIR filter and a Chebyshev IIR filter?

7. Why might a designer choose to use an IIR filter over an FIR filter?

8. What could potentially be a drawback of using an IIR filter?

9. What are the roots of the denominator of the transfer function of an IIR filter called?

10. In the z-domain representation of an IIR filter, what does the unit circle represent?