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The NOR Gate
Fig .7. The NOR Gate
|
The NOR gate as shown in Fig .7. looks
like a OR gate with a small circle on
the output.
When both inputs A and B are low or 0
then the output is high or 1.
The Boolean expression for the NOR
gate is A + B = Z.
Examine the NOR gate truth table below
to get a better idea how it functions
in a digital circuit.
The NOR Gate Truth
Table:
| A |
B |
Z |
| 0 |
0 |
1 |
| 0 |
1 |
0 |
| 1 |
0 |
0 |
| 1 |
1 |
0 |
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