What is Logic Gate (AND , OR , NOR, XOR, NAND, XNOR, NOT)

What is Logic Gate  (AND , OR , NOR, XOR, NAND, XNOR, NOT)?

Do you want to know about Logic Gate ? Lets start with the definition & meaning of Gates.

DEFINITION OF GATES :

Gates are the building blocks used in IC (Integrated Circuit). A logic gate is elementary buliding block of a digital circuit. 
Gates are the device that computes Boolean operation. Gates provide building blocks from which computers are constructed.

BASIC GATES :

There are seven basic Logic Gates :

1. AND :

In AND gate , the output is true if all the inputs are true.

AND input output
AND Input Ouput

2. NAND :

NAND is opposite of AND . The output is true if any input is false.

NAND input output
                           NAND input output

3. OR :

The output is true if either or both inputs are true.

OR INPUT OUTPUT


4. XOR :

 The output is true if either input is true but not if both inputs are true.

XOR INPUT OUTPUT

XOR INPUT OUTPUT

5. NOR :

The opposite of OR is NOR. The output is true only when all inputs are false.

NOR input output

NOR input OUTPUT

6. XNOR :

The outputs are true if the inputs are same and false if the inputs are different.

XNOR Input Output

7. NOT :

NOT has only one input , If the input is true then the output is false and if the input is false then the output is true.

NOT Input Output


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if you find any difficulty regards GATES or LOGIC GATES then you are free to ask in the comment section..
  

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