1.

The order of the digital filter is defined as:

A. The number of previous outputs used to calculate the current output of the filter
B. The number of previous inputs used to calculate the current output of the filter
C. The number of previous inputs and outputs used to calculate the current output of the filter
D. The number of coefficients in the current output of the filter.
Answer» C. The number of previous inputs and outputs used to calculate the current output of the filter


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