LOGIC GATE
AND Gate:
Graphical Symbol
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Truth Table
Input Output
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A B O=A.B
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0 0 0
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0 1 0
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1 0 0
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1 1 1
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Venn Diagram
OR
Gate
Graphical Symbol
Truth
Table
Input Output
|
A
B O= A + B
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0 0 0
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0 1 1
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1 0 1
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1 1 1
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Venn
Diagram
Graphical Symbol
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Truth Table
Input
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Output
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A
|
O=A’
|
0
|
1
|
1
|
0
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Venn Diagram
Truth Table
Input
|
Output
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A B
|
O=(A.B)’
|
0 0
|
1
|
0 1
|
1
|
1 0
|
1
|
1 1
|
0
|
Venn Diagram
NOR Gate
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|
|
Graphical Symbol
Input
|
Output
|
A B
|
O=(A+B)’
|
0 0
|
1
|
0 1
|
0
|
1 0
|
0
|
1 1
|
0
|
Truth Table
NAND Gate
Graphical Symbol
Venn Diagram
X-OR Gate
|
|
|
Truth Table
Input
|
Output
|
A B
|
O=(A+B)
|
0 0
|
0
|
0 1
|
1
|
1 0
|
1
|
1 1
|
0
|
Venn Diagram
X-NOR Gate
Graphical
Symbol
|
|
|
Truth Table
Input
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Output
|
|
A
|
B
|
O=(A+B)’
|
0
|
0
|
1
|
0
|
1
|
0
|
1
|
0
|
0
|
1
|
1
|
1
|
Venn Diagram
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