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प्रश्न
Differentiate between half adder and full adder. Write the Boolean expression and draw the logic circuit diagram for the SUM and CARRY of a full adder.
उत्तर
- A Half Adder consists of only one AND gate and an EX-OR gate. A full Adder consists of one OR gate and two EX-OR and AND gates.
- There are two inputs in Half Adder - A and B. There are a total of three inputs in a full Adder,
Full Adder Circuit
Sum = (A ⊕ B) ⊕Cin
Carry = A · B + (A ⊕ B)
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