What is QR code? | How does QR code work? | Amrit Upadhyay | UPSC 2024 | StudyIQ IAS Hindi

Описание к видео What is QR code? | How does QR code work? | Amrit Upadhyay | UPSC 2024 | StudyIQ IAS Hindi

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Basically, a QR code works in the same way as a barcode at the supermarket. It is a machine-scannable image that can instantly be read using a Smartphone camera. Every QR code consists of a number of black squares and dots which represent certain pieces of information. When your Smartphone scans this code, it translate that information into something that can be easily understood by humans.

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