Q.
Identify the logic operation carried out by the following circuit
NTA AbhyasNTA Abhyas 2020Semiconductor Electronics: Materials Devices and Simple Circuits
Solution:
To identify a logic gate, its truth table.
Truth table for given gate combination is
A B $A_{1}$ $B_{1}$ Y 0 0 1 1 0 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 | 0 |
| 0 | 1 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 | 1 |