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The OR Gate

Fig .4. The OR Gate


Have a look at Fig .4. and you will see what a 2 input OR gate looks like.
 
If either A OR B is 1 or high then Z = 1 or high.
 
Study the truth table below .
 
The OR Gate Truth Table:
 
A B Z
0 0 0
0 1 1
1 0 1
1 1 1
 
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