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Why do you need bar-code reader?

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Anonymous

14y ago
Updated: 8/18/2019

Almost every product on sale - from a pen to a wide-screen tv has it's own unique, individual bar-code.

Bar-code readers don't just help out at the checkout - they build up a stock list of items sold, so the store knows when to re-order new stuff.

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Wiki User

14y ago

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