English version

QR code

From Longman Dictionary of Contemporary EnglishQR codeQR code /kjuː ˈɑ kəʊd $ -ˈɑːr koʊd/ noun [countable]  (Quick Response code) a square pattern of small black and white squares, which is put on a product, advertisement etc. It contains information that can be read by a mobile phone or scanner.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.