Half Adder - Digital Electronics

HALF ADDER - HOW THE HALF ADDER WORKS. EXPLAINED IN 5 MINUTES!!!! EASY EXAM REVISION VIDEOS. DIGITAL ELECTRONICS. EMBEDDED COMPUTER SYSTEMS.








In this video I will be showing you The logical Workings of the Half Adder circuit.

Half adder is a combinational arithmetic circuit that adds two numbers and produces a sum bit (S) and carry bit (C) as the output. If A and B are the input bits, then sum bit (S) is the X-OR of A and B and the carry bit (C) will be the AND of A and B. From this it is clear that a half adder circuit can be easily constructed using one X-OR gate and one AND gate. Half adder is the simplest of all adder circuit, but it has a major disadvantage. The half adder can add only two input bits (A and B) and has nothing to do with the carry if there is any in the input. So if the input to a half adder have a carry, then it will be neglected it and adds only the A and B bits. That means the binary addition process is not complete and that’s why it is called a half adder.



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So this is my first ever video that was put on You tube. I hope you enjoy it!

So I am explaining exactly 1 thing here:

***How the Half Adder logically calculates***

The aim of my videos is to keep everything short and simple.


In the next part to this tutorial. We will delve into the actual logic. We will use things like Karnaugh maps, De Morgans Theorem, Truth Tables, Binary Addition, Bit Logic, Logic Gates, and most other digital electronics that involve using the ALU.

Again I hope you liked the video on the half adder and see you soon!

Content:

Half adder

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