Hello students once again welcome back. So in last post we had learned about NOT gate and in this post we will learn about OR gate .
OR gate has 2 or more inputs. When it has n inputs it is called n bit OR gate . Defination of OR gate is "Output is High(1) when anyone of input is High (1) ", i.e. it recognizes the input word which contains (1) and output is low when all the inputs are low(0) . Trick remember the truth table is that OR gate is similar to Disjunction in Maths.
In Boolean Algebra '+' indicates OR addition . The symbol '+' is read as OR . IC 7432 is known as Quad Dual Input OR gate .
The symbol and truth table of OR gate is as follows:-
OR gate has 2 or more inputs. When it has n inputs it is called n bit OR gate . Defination of OR gate is "Output is High(1) when anyone of input is High (1) ", i.e. it recognizes the input word which contains (1) and output is low when all the inputs are low(0) . Trick remember the truth table is that OR gate is similar to Disjunction in Maths.
In Boolean Algebra '+' indicates OR addition . The symbol '+' is read as OR . IC 7432 is known as Quad Dual Input OR gate .
The symbol and truth table of OR gate is as follows:-
That's it for today . In next post we will learn about NAND gate.
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