Problem

Problem

Make the output waveform

Y

of the NAND gate for the following inputs

A

and

B

.

Time	$A$	$B$
For $t < t_1$	1	1
From $t_1$ to $t_2$	0	0
From $t_2$ to $t_3$	0	1
From $t_3$ to $t_4$	1	0
From $t_4$ to $t_5$	1	1
From $t_5$ to $t_6$	0	0
For $t > t_6$	0	1

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