Multiple choice

If an ADC is subjected to an analog input signal whose frequency exceeds the Nyquist frequency for that ADC, the converter will output a digitized signal of falsely low frequency, then this is called ____________.

  1. step recovery

  2. sample frequency

  3. instruction

  4. ADC

  5. aliasing
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E Correct answer
Explanation

If an ADC is subjected to an analog input signal whose frequency exceeds the Nyquist frequency for that ADC, the converter will output a digitized signal of falsely low frequency.

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