What is QR Code? How is QR Code used? How much data does a QR code contain? Current and future

In this era of fast food, everyone wants everything faster. Eating and diving, sharing information, everything in motion. QR Code is a great way to exchange small information in one follower.

What is QR Code?
Quick Response code is the full form of QR Code. This is two dimensional (2D) matrix barcode. Easy to say, this is an advanced version of our many known barcodes. QR code is encoded in the form of a message, number or character data, the URL of the site, the phone number etc.

How is QR Code used?
The only reason for using QR Code is its speed. It is used in many ways, QR code is available on any site or product or anywhere. Whoever needs to take photos of the phone quickly with the camera's camera. Then the application on the phone decoded the code and interpreted it to something meaningful. As a result, the trouble is to keep in mind or to finish the work.

How much data does a QR code contain?
A QR Code can contain the maximum number of 7,089 or maximum 4,266 English alphabets, or 2,935 byte binary data. The amount of this information is not low. Where the maximum number of 160 characters can be written in an SMS, 140 characters can be written in a tweet, 420 characters can be written in a facebook status, where 4,226 characters can be written in a QR code!

Current and future
QR Code is currently being used on mobile devices. The conventional barcode was stuck only with identification, but QR code reached its hands. QR Code is used to keep site or blog post links in memory on modern phones. This code is also used for personal visiting cards. Google's Android OS has a QR address forgiveness net (or built-in). It is easy to understand that its use will be more extensive in the future.