The word “QR Code” is registered trademark of DENSO WAVE INCORPORATED in Japan and other countries. What is QR Code? QR code is a small printed code having a vast source of information. Basically, it is a two-dimensional matrix to store information. QR Code stands for Quick Response Code a way of communication. Originating from Japan’s automobile sector. It has spread to worldwide due to its quick response and large amount of data storage facility. QR code consists of black colour square modules arranged in a squared pattern on a white background. It has three square box on three corners of a QR Code. These three square codes basically position detection pattern that gives the QR code its quick response characteristics. QR technology entirely change the way of accessing and retrieving digital information. It is a digital communication tool that works as a bridge between traditional communication media and digital technologies. Understanding QR Code in Details QR Code is...