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Barcodes are graphical representations of data that can be scanned and interpreted by machines. They typically consist of parallel lines of varying widths and spacings, which encode information such as product identifiers or pricing. Barcodes can be categorized into various types, including 1D (like UPC and EAN) and 2D (such as QR codes), with 2D codes allowing for more data storage. They are widely used in retail, logistics, and inventory management for efficient tracking and data entry.

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3w ago

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