E4A06

What is the effect of aliasing on a digital oscilloscope when displaying a waveform?

1. AA false, jittery low-frequency version of the waveform is displayed
2. BThe waveform DC offset will be inaccurate
3. CCalibration of the vertical scale is no longer valid
4. DExcessive blanking occurs, which prevents display of the waveform

Pick an answer to check it.