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Logic gates
OR gate
If the both or one inputs is high then output will also high or if one both inputs are low then the
output will be low
A
B
A+B
0
0
0
0
1
1
1
0
1
1
1
1
AND gate
If the both inputs are high then the output will also high or if one input will be low then the output will
also low
A
B
A.B
0
0
0
0
1
0
1
0
0
1
1
1
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NOT gate
When the input is high then the output will be low
A
Z
0
1
1
0
NAND gate
If both are low then the outputs will be high either one input will be high
A
B
Bar
A.B
0
0
1
0
1
1
1
0
1
1
1
0
NOR gate
Both outputs will be high if both inputs are low if one input is low or high the output will be low
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A
B
Bar
A+B
0
0
1
0
1
0
1
0
0
1
1
0
XOR gate
If both inputs are high or low then the output will be low
If one input is high then the output will also high
A
B
A+ B
0
0
0
0
1
1
1
0
1
1
1
0
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XNOR gate
If both inputs are low or high then the output will also high either it will be low
A
B
Bar
A+ B
0
0
1
0
1
0
1
0
0
1
1
1

Unformatted Attachment Preview

Logic gates OR gate If the both or one inputs is high then output will also high or if one both inputs are low then the output will be low A 0 0 1 1 B 0 1 0 1 A+B 0 1 1 1 AND gate If the both inputs are high then the output will also high or if one input will be low then the output will also low A 0 0 1 1 B 0 1 0 1 A.B 0 0 0 1 NOT gate When the input is high then the output will be low A 0 1 Z 1 0 NAND gate If both are low then the outputs will be high either one input will be high A B 0 0 1 1 0 1 0 1 Bar A.B 1 1 1 0 NOR gate Both outputs will be high if both inputs are low if one input is low or high the output will be low A B 0 0 1 1 0 1 0 1 Bar A+B 1 0 0 0 XOR gate If both inputs are high or low then the output will be low If one input is high then the output will also high A B 0 0 1 1 0 1 0 1 A+ B 0 1 1 0 XNOR gate If both inputs are low or high then the output will also high either it will be low A B 0 0 1 1 0 1 0 1 Bar A+ B 1 0 0 1 Name: Description: ...
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