What is a QR code?

What is a QR code?

Access e-books & e-journalsQR stands for quick response. QR codes allow the contents embedded on the code to be decoded at high speed. They are decoded using a QR Code reader. Some of the content that can be encoded are a URL, a phone number, an SMS message, a V-card, or any text. Once scanned, the codes link to a source eg website that provides more information. An interesting example is that of a Japanese gravestone maker who has embedded QR codes within gravestones so that people are able to find out more about the person buried there. At a local level, Safaricom added scanning of QR Codes for cash withdrawal and Lipa Na M-PESA services in 2017. You could explore this option the next time you are doing an Mpesa transaction.

Requirements

  • QR code generator: freely available online
  • Smart phone with QR Code reader/scanner (some phones have one preinstalled). You can also download free readers.
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