a machine-readable code in the form of numbers and a pattern of parallel lines of varying widths, printed on a commodity and used especially for stock control
a chocolate bar called code
or a piece of paper with lines and numbers on it
Pregunta 5
Pregunta
What is the question
Respuesta
I don't know
I don't either
I'm confused
Pregunta 6
Pregunta
What is a QR code
Respuesta
a load of squares
a machine-readable code consisting of an array of black and white squares, typically used for storing URLs or other information for reading by the camera on a smartphone.