What is QR Code?
A QR code (Quick Response Code) is a type of barcode that is readable by dedicated QR readers, iPhone, Android and smartphones. The barcode using encoded information like numbers, letters, and Kanji characters. QR Code is an 2D Code and in different sizes like 21x21 is version 1 and 177x177 is version 40.
The QR code consists of black modules arranged in a square pattern on a white background. When you scan a QR code with the device, the appropriate URL or the contact information will open.
The QR Code format was created in 1994 by Japanese company Denso-Wave.
Working of QR Code:
You can download and install an application on your smartphone and QR readers devices that will enable devices to scan QR codes.
http://www.i-nigma.com/Downloadi-nigmaReader.html
http://www.quickmark.com.tw/En/basic/downloadMain.asp
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