NOR gate
A NOR gate is a combination of an OR gate followed by a NOT gate.
In other words, it’s an inverted OR gate.
It will output a 1 only when both of its input signals are 0. In all
other cases, it will output a 0.
Truth table
Section titled “Truth table”| Input A | Input B | Output (A NOR B) |
|---|---|---|
| 0 | 0 | 1 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 0 |
1if the inputs are both0.