Implementation of Full adder with Half adders

A combinational circuit that performs the addition of three bits (two input bits and a previous carry) is called a full adder. 

Implementation of Half Adder with NAND gates

NAND Gate

The NAND gate is said to be a universal gate because any digital circuit can be implemented and constructed with it.

ADDER CIRCUITS - HALF ADDER AND FULL ADDER

Adder Circuits - An Introduction 

Arithmetic operations are a part of the information processing tasks carried out by digital computers.

DECODER

DECODER - INTRODUCTION

The decoder is a combinational logic circuit used to convert a piece of coded information into another signal pattern.

Difference Between Synchronous And Asynchronous Sequential Circuit

Sequential circuit is one of the major categories of digital logic circuits. Based on the clock input, it is further classified into synchrous circuits and asynchronous circuits. Here, a detailed comparison of synchronous sequential circuits and asynchronous sequential circuits is presented.

DIFFERENCE BETWEEN COMBINATIONAL AND SEQUENTIAL CIRCUIT

The digital logic circuits are classified into two major categories. They are, (a) Combinational Circuits and (b) Sequential Circuits. In practice, both the combinational and sequential circuits are together used in a variety of applications. However, there exist contrasting differences between the two and it is presented here.