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What is QR Code?

QR Code

A QR-Code is a form of two-dimensional bar or matrix code which was created in 1994 by Japanese corporation Denso-Wave. The code shown above is the QR code for Mio Destino.

The creators of the code wanted to produce a rapid decode and hence its name ?QR?, Quick Response. Though QR Codes are not normally used in many parts of the world at the moment, they are very common in Japan where they are the most popular form of two dimensional code. They are regularly used in conjunction with mobile phones for rapid access to specific sites on the net where the codes can be used to store URLs or addresses among other things.

A user, having the relative reader software and a camera phone, can scan the QR code image upon which the phones browser will redirect to the relevant URL. The simplicity of linking from the physical world into the electronic world, known as ?physical world hyperlinks? or a ?hardlink? is the essence of the QR code and explains its enormous popularity.

A QR code can store a maximum of 7,089 numeric characters and 4,296 alphanumeric characters.
There are two other types of QR-code ?Micro QR Code? and ?Design QR?.

Micro QR code, as you may imagine is a smaller form of the code for use where a smaller scanning ability is envisioned. Design QR code allows organisations to insert images, logos or characters into the code to make them more appealing and easily recognisable without any loss of information.
QR code is trademarked by Denso Wave, Inc.

Generate the QR code for your favourite website.

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