Question 106: Semiconductors and Logic Gates

Question

Four NOR gates are connected as shown in figure. The truth table for the given figure is :
![](https://imagex.cdn.examgoal.net/1ktemoh0y/26364101-7bb3-4af3-8b9b-904310312f51/c4cf8120-125b-11ec-a4fb-5347f21481c0/file-1ktemoh0z.jpeg)

Accepted Answer

$y = \overline {(\overline {A + \overline {A + B} } ) + (\overline {B + \overline {A + B} } )} $
$y = (A + \overline {A + B} ).(B + \overline {A + B} )$
A
B
y
0
0
1
0
1
0
1
0
0
1
1
1
![](https://imagex.cdn.examgoal.net/1ktjejl87/7baaa537-3d2f-4e39-9f86-6eb336be76e7/df396470-14fb-11ec-87b0-2f866bb7de71/file-1ktjejl88.jpeg)

Answer

Answer

Answer

Answer

Semiconductors and Logic Gates

Four NOR gates are connected as shown in figure. The truth table for the given figure is :

Choose the correct answer: