Half Adder Circuit – How it Works

A Half Adder is a digital circuit that adds binary numbers. In this tutorial, you will learn how it works, its truth table, and how to implement one using logic gates. 

Half Adder Circuit
A Half Adder Circuit

What is a Half Adder?

A Half Adder is a digital circuit that carries out the addition of binary numbers. It’s the simplest of digital adders and you can build one using only two logic gates; an XOR gate and an AND gate.