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Users with a camera phone equipped with the correct reader application can scan the image of the QR code to display text, contact information, connect to a wireless network, or open a web page in the phone's browser.
Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 by Denso Wave as ISO/IEC 23941. [2] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code.
A barcode reader or barcode scanner is an optical scanner that can read printed barcodes and send the data they contain to computer. Like a flatbed scanner , it consists of a light source, a lens, and a light sensor for translating optical impulses into electrical signals.
In an experimental study conducted on the use of QR codes in education (Rikala & Kankaanranta, 2012), the views of 76 learners and of their teachers from four different-level schools were determined. The results of the study revealed that the learners were eager and motivated to use the QR codes.
How to Read a QR Code. If you’ve never scanned a QR code before, now’s a perfect time to try it. You will need a mobile device with a camera, internet access, and a QR code reader app. The type of device doesn’t really matter, as long as it has a camera and an internet connection.
The Barcode Scanner can automatically search the Web to identify a product with a barcode and use, for example, price-comparison information between vendors. The application can decode several 2D barcodes including the widely used QR Code and Data Matrix.