This is how barcodes and QR codes work
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YouTubeedureelsby
This is how barcodes and QR codes work
Barcodes and QR codes store information in black and white patterns, enabling quick data retrieval. Barcodes use lines to represent numbers, while QR codes use grids to hold more data like links and passwords. Scanners and smartphones decode these patterns instantly, making daily tasks faster and more efficient. #learning #facts
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