Quiz 3: Digital and Analog Filters

Signal Processing with Filters

1. Which filter(s) contain 0 Hz in the stopband?

A. Low-pass filter
B. High-pass filter
C. Band-pass filter
D. Both (B) and (C)

2. What variable differentiates between low-pass, high-pass, band-pass, and band-stop filters when changed?

A. Transition width
B. Real/complex taps
C. Corner frequency
D. Sample rate

3. The input and output of a digital filtering system is?

A. Continuous-time series, discrete-time series
B. Discrete-time series, discrete-time series
C. Continuous-time series, continuous-time series
D. Discrete-time series, continuous-time series

4. What is the effect of putting a high-pass and low-pass filter in parallel?

A. Any signal outside the specified range is allowed through.
B. One specified frequency is allowed through.
C. No signals are allowed through at all.
D. None of the above.

5. What different properties interfere with the data contained in a signal?

A. Noise
B. Interference
C. Distortion
D. All of the above

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