A barcode, consisting of bars and spaces, is a machine-readable representation of numerals and characters. These are barcodes. A barcode consists of bars and spaces of varying width that can be read with an optical barcode scanner.
UPC-A barcodes consist of 12 numbers. The first digit identifies the numbering system. The next five digits identify the manufacturer, while the second five digits identify the specific product. The last number is a check digit. ... The last number is a check digit.
Barcode contains information about a product like; price & weight of the product, date of manufacturing and expiry, name of the manufacturer etc. Barcode is allocated by an international institution set up for this purpose. Every product has a unique barcode all over the world.
Typical retail products: Indicated by a first digit of 0, 1, 6, 7, or 8. The five remaining digits on the left side of the barcode are the identify the manufacturer. The five digits on the right are the product code
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