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
0
0
1
1
1
0
1
1
0
1
1
0
0
1
1
1
1
0
0
1
| A | B | |||
|---|---|---|---|---|
| 0 | 0 | 1 | 1 | 1 |
| 0 | 1 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 | 1 |