JEE PYQ: Semiconductors Question 22
Question 22 - 2020 (06 Sep 2020 Shift 1)
Identify the correct output signal Y in the given combination of gates for the given inputs A and B.
(1) Waveform 1
(2) Waveform 2
(3) Waveform 3
(4) Waveform 4
Show Answer
Answer: (1)
Solution
Boolean expression: $y = \overline{\bar{A} \cdot B} = A + \bar{B}$. Using the input waveforms, the output matches waveform (1).