Full Adder: Combinational Circuit Video Lecture | Crash Course: Computer Science Engineering (CSE)

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FAQs on Full Adder: Combinational Circuit Video Lecture - Crash Course: Computer Science Engineering (CSE)

1. What is a full adder?
Ans. A full adder is a combinational circuit that performs addition of three bits - two input bits and a carry-in bit - and produces a sum bit and a carry-out bit.
2. How does a full adder work?
Ans. A full adder works by combining the three input bits using XOR, AND, and OR gates. The XOR gates perform the addition of the input bits, the AND gates generate the carry-out bit, and the OR gate produces the sum bit.
3. What is the purpose of a carry-in bit in a full adder?
Ans. The carry-in bit in a full adder is used to handle the carry from the previous stage of addition. It allows the full adder to perform addition of multiple bits by considering the carry from the previous stage.
4. How many inputs and outputs does a full adder have?
Ans. A full adder has three inputs - two input bits and a carry-in bit - and two outputs - a sum bit and a carry-out bit.
5. What is the difference between a half adder and a full adder?
Ans. The main difference between a half adder and a full adder is that a half adder can only perform addition of two bits without considering any carry, while a full adder can handle addition of three bits by considering a carry-in bit from the previous stage.
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