Introduction to QRCode

QR Code stands for quick response code, it is a two dimensional bar code invented in 1994 by the Japanese automotive company Denso Wave.

 

Features of QR code

a. Capable of handling all types of data

QR code is capable of handling all types of data like numeric and alphabetic characters, Kanji, Kana, Hiragana, symbols, binary, and control codes. You can store upto 7089 characters in one symbol.

 

b. Smaller in size

Since QR code is a two dimensional bar code, it can store the information both horizaontally and vertically. QR Code can encode the same amount of data in approximately one-tenth the space of a traditional barcode.

 

c. Data restore capability

QR code has error correction capability. We can restore the data, even the symbol is partially damaged.

 

d. High speed reading of the content is possible.

 

I would recommend you to go through below link for more details.

https://en.wikipedia.org/wiki/QR_code

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