Question 182: Semiconductors and Logic Gates

Question

The logic circuit shown below has the input waveforms $'A'$ and $'B'$ as shown. Pick out the correct output waveform.
Output is
![](['https://imagex.cdn.examgoal.net/fNiPMUFxmHSPL1m66/3kLYCEr1i9E7nZOe53IbXzoWf5uB7/DuJHETVWeQY1qccDBnCnvV/image.png', 'https://imagex.cdn.examgoal.net/G8z6KNHDC1Ogt2DvQ/UUHwIYWP1gfgcXiHxifUdtIXS59o5/zP6fbicVEZEGyOA9bYbngD/image.png'])

Accepted Answer

Here $y = \overline {\left( {\overline A  + \overline B } \right)}  = \overline {\overline A } .\overline {\overline B }  = A.B.$
Thus it is an $AND$ gate for which truth table is
A
B
Y
0
0
0
0
1
0
1
0
0
1
1
1

Answer

Answer

Answer

Answer

Semiconductors and Logic Gates

The logic circuit shown below has the input waveforms 'A' and 'B' as shown. Pick out the correct output waveform. Output is

Choose the correct answer: