Have you ever come across such a code image rectangle, which contains the black squares randomly arranged. Usually this symbol exists in a newspaper article, including the cover of tabloids PULSE.
Yes, the picture box called QR Code. If you usually see the barcodes on food products or consumers goods, then the QR code is a 2-dimensional development of the conventional barcode.
What is QR Code?
QR code stands for Quick Response Code. First developed by Japanese company Denso-Waves in 1994. Currently you can already see
QR codes in various media, banners, website, t-shirts, and other devices.
QR Code can store a link url, geographic coordinates, text and numbers. Compared to regular barcodes, QR has a large data storage space. For code numbers and letters, they were able to mneyimpan up to 4.296 characters. Comparing with the conventional bar code which is only capable of storing 20 digits.
How to Access the QR code from a mobile phone?
To read QR codes, you need a QR reader. Application can be downloaded to the phone by typing langung http://reader.kaywa.com address in your phone's browser and then follow the instructions in it.
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