Q.
For the given circuit, the input digital signals are applied at the terminals A, B and C. What would be the output at the terminal $y$ ?
Solution:
The logic operation
$Y=A B+\overline{B C} $
$=A B+\bar{B}+\bar{C}$
Now input
A
B
C
Y
0
0
1
1
1
0
1
1
0
1
0
1
1
1
0
1
| A | B | C | Y |
|---|---|---|---|
| 0 | 0 | 1 | 1 |
| 1 | 0 | 1 | 1 |
| 0 | 1 | 0 | 1 |
| 1 | 1 | 0 | 1 |