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This gate works in the same way as the logical operator "or". The OR gate is a circuit which performs the OR operation of the inputs. This gate also has a minimum of 2 input values and an output value.
Y = A OR B OR C OR D……N
Y= A+B+C+D……N
Logic Design
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The NOT gate is also called an inverter. This gate gives the inverse value of the input value as a result. This gate has only one input and one output value.
Y = NOT A
Y = A'
Logic Design
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The NAND gate is the combination of AND gate and NOT gate. This gate gives the same result as a NOT-AND operation. This gate can have two or more than two input values and only one output value.
Y = A NOT AND B NOT AND C NOT AND D……N
Y = A NAND B NAND C NAND D……N
Logic Design
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The NOR gate is the combination of an OR gate and NOT gate. This gate gives the same result as the NOT-OR operation. This gate can have two or more than two input values and only one output value.
Y = A NOT OR B NOT OR C NOT OR D……N
Y = A NOR B NOR C NOR D……N
Logic Design
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The XOR gate is also known as the Ex-OR gate. The XOR gate is used in half and full adder and subtractor. The exclusive-OR gate is sometimes called as EX-OR and X-OR gate. This gate can have two or more than two input values and only one output value.
Y = A XOR B XOR C XOR D……N
Y = A⨁B⨁C⨁D……N
Y = AB'+A'B
Logic Design
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The XNOR gate is also known as the Ex-NOR gate. The XNOR gate is used in half and full adder and subtractor. The exclusive-NOR gate is sometimes called as EX-NOR and X-NOR gate. This gate can have two or more than two input values and only one output value.
Y = A XNOR B XNOR C XNOR D……N
Y = A⊖B⊖C⊖D……N
Y = A'B'+AB
Logic Design
Truth Table
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