What is QR Code, how to create and how to scan?

Do you know what is QR Code (What is QR Code) and how does it work? I think you all must have seen QR codes at some time or the other. Small square shaped boxes in which some strange pattern is made. It must also have come in your mind as to what it is and why it is used. You must have seen these on advertisements, billboards or any products. But hardly anyone has seen it while scanning it.

There is some URL embedded behind this code that if we scan with our Smartphones, we will know that otherwise it remains hidden. As soon as we scan that code, it redirects us to the URL of any one website. That is why it has been made. By the way, many Internet schemes have come and gone but something that has been going on for years is this QR code or Quick Response Code. So today in this article we will know what is this QR Code and how it works. Today we will know about it in full details. Then what is the delay? Let's start.

The full form of QR Code is "Quick Response code". These look very similar to the Square Barcode which was first developed in Japan. It is very similar in appearance to traditional UPC barcodes which are like horizontal lines. But these are more attractive and more information can also be stored in it. Along with this, this can be easily captured. If given its second definition, these are machine readable labels which the computer can understand more easily than to understand any text.

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QR codes are used everywhere such as tracking a product or identifying it. Simply put, this is an upgraded version of the typical barcode. He has not kept himself in such a technology that he can only use it to track the product in the warehouse. Rather its usage has increased a lot like nowadays we can see it in Advertisement, billboard and business window too. Even some websites are using it.

Why is it so important
You must have got a little idea what is QR Code (What is QR Code in Hindi). If you have never heard of QR Code before then you might be giving more pressure on your head. Those who have already joined the Internet, they may already know about what this Sqare Shaped Barcode is. It may look a little odd in appearance, but small business owners and enterprenure must know about it. We can also call it extention of QR code which is being used since mid 1970. Earlier it was used in the grocerries of Supermarket to track things. But we use it for all big and small companies to increase their sales and productivity.

Talking about a consumer like us, with the help of QR Codes, we can easily do some action quickly using our SmartPhones. Like NFC (Near Field Communication), there is no fancy electronic or no special technology is being used in it. This is just a grid of white and black which is printed in a paper and it can be easily captured in the camera of the phone.

The QR Code is first captured with the help of a scanner app, then that app converts that code into some valuable information. Which we can understand. For example, if you saw a QR code in which advertising board and scanned it, then it took you to a website, which means the URL of which website was embeded in that QR Code. This is how the QR Code works.

What is the difference between QR Code and 1D UPC Barcode
By the way, there is a lot of difference in their apperance as well. One looks like empty verical lines and the other like a squared box. If we talk about scanning, we can scan QR Code from any direction (vertically and horizontally) but we can scan Barcode from one direction only.

1D Barcode (UPC) can store up to 30 numbers but in QR code we can store up to 7089 numbers. Due to this massive storage capacity, videos and large files can be stored in it very easily. Which is later used in Social Networking Sites like Facebook and Twitter.

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