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- by Ashok Shah 3 months ago

**# AND gate/ Logical AND**

→It is an electronic circuit used to perform logical multiplication(or AND operation) which is denoted by dot operator(.). So, its Boolean Expression is "**A.B**". It produces high output (1) when both the input are high, otherwise produces low output.

# OR gate/ Logical OR

→It is an electronic circuit used to perform logical addition(or OR operation) which is denoted by plus operator(+). So, its Boolean Expression is "A + B". It produces low output (1) when both the input are low, otherwise produces high output.

# NOT gate/ Logical NOT

→It is an electronic circuit used to perform logical complement(or NOT operation) which is denoted by single quote operator( ' ). So, its Boolean Expression is **A'/B'**. It produces high output if the input is low and vice-versa.

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