OR gate :- OR gate generates high output signal if any of it’s input signals is high.It has n input and 1 output.
For a 2-input OR gate,if A and B are the input signal then output signal Y can be represented as Y= A+B .
This gate is represented as :
Truth Table for OR gate :
Tips- You can see in the table that we get 1 if any one of A or B or both are 1.