Toggle the inputs on the left, the inputs, and see
what changes with the outputs.
Do you see a link between the A and B inputs and the Q output?
Do you understand the truth table below each gate?
| Input A | Input B | Output Q |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
| Input A | Input B | Output Q |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
| Input A | Output Q |
|---|---|
| 0 | 1 |
| 1 | 0 |