Q.
Identify the logic operation carried out by the following circuit.
Solution:
Key Idea To identify a logic gate, write its truth table.
Truth table for given gate combination is
A
B
$A_1$
$B_1$
$Y$
0
0
1
1
1
0
1
1
0
1
1
0
0
1
1
1
1
0
0
1
| A | B | $A_1$ | $B_1$ | $Y$ |
|---|---|---|---|---|
| 0 | 0 | 1 | 1 | 1 |
| 0 | 1 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 | 1 |