What is a quick response code - qr code

It is an abbreviation for Quick Response code; That is, the meaning of QR, an image consisting of dots or squares arranged in a digital form that the user does not understand, and it is used to summarize information about many things in our daily lives, and its use varies from one person to another. There are those who use it to distinguish their products from other products, and there are those who use it to place links or information. To make it easier for other users to access it. The contents of the code can be known by photographing it from a mobile camera or specialized devices. We can say that the QR Code is the developed version or “second generation” of the barcode.