The output waveform \((Y) \)of the AND gate for the following inputs \(A\) and \(B \) given in the figure, is:

1.
2.
3.
4.	None of these

The output waveform \((\text{Y})\) of the \(\mathrm{OR}\) gate for the following inputs \({A}\) and \({B}\) given in the figure is:

1.
2.
3.
4.	none of these

The output waveform \((Y)\) of the NAND gate for the following inputs \(A\) and \(B\) given in the figure is:

1.
2.
3.
4.	none of these