Q. Input waveforms and as shown in Fig-I are applied to the combination of gates as shown in Fig-II. Which of the waveforms shown in Fig. (i) to (iv) correctly represents the output waveform?

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A

Fig.(i)

B

Fig.(ii)

C

Fig.(iii)

D

Fig. (iv)

Solution:

So, output is 'zero' when both inputs are 'one'. In all other cases output is one.

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