Digital Logic Gates
Logic AND Gate
A Logic AND gate is type of digital logic that is LOW when any one of the input is low. It will be HIGH when both the input is HIGH.
Truth Table of AND Gate
Output= A*B
Output is the multiplication of both the inputs. If any input is zero output must be zero.
Logic OR Gate
A Logic OR gate is type of digital logic that is HIGH when any one of the input is HIGH. It will be LOW when both the input is LOW.
Symbol
Output= A+B
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Output is the invert of the Input. If it is '1' then output will be '0' and vice versa.
Symbol of AND Gate 
Truth Table of AND Gate
Output= A*B
Truth Table 
Logic OR Gate
A Logic OR gate is type of digital logic that is HIGH when any one of the input is HIGH. It will be LOW when both the input is LOW.
Symbol
OR Gate symbol

Truth Table of OR Gate
Output= A+B
Truth Table of OR Gate 
Output is the addition of both the inputs. If any input is one output must be one.
Symbol
_{}^{}
_{}^{}
Logic NOT Gate
A Logic NOT gate is type of digital logic that is HIGH when input is LOW. It will be LOW when input is HIGH. It always invert the input.Symbol
NOT Gate symbol 
Output= Ä€_{}^{}
Truth Table of Gate
Truth Table of NOT Gate 
Output is the invert of the Input. If it is '1' then output will be '0' and vice versa.
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