E8A04 - Amateur Extra Class

E8A04 : What is dither with respect to analog-to-digital converters?
A An abnormal condition where the converter cannot settle on a value to represent the signal
B A small amount of noise added to the input signal to reduce quantization noise
C An error caused by irregular quantization step size
D A method of decimation by randomly skipping samples
Correct Answer: A small amount of noise added to the input signal to reduce quantization noise