The point-of-sale system can recognize that string of numbers and will know to bring up specific details such as product name and price. When a barcode is scanned, the computer interprets the string of vertical lines and then outputs it as text. Note* For the sake of simplicity, we’ll be focusing on 1D barcodes in this article, not QR codes. These barcodes, commonly used at European and North American retailers, don’t actually store much information about products. one-dimensional or linear barcodes) are really just a series of vertical lines in varying widths. This shared experience can cause the misconception that the barcode itself actually had all of that information embedded within it. Who hasn’t had the experience of going to the store and hearing that iconic beep as your item passes through the checkout? Instantly, the computer is populated with the name and price of that item. While you may not have made barcodes yourself, chances are you’ve seen them in stores.
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