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What is a bar-code number lookup?

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Quick Answer

A bar-code number look-up is done differently, depending on if you are shopping or going online to get information for a bar-code at a website. When you shop, clerks use bar-code readers or scanners to quickly transfer the price of an item and other product information to a cash register.

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What is a bar-code number lookup?
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Full Answer

When you go online to get more information for a bar-code at websites such as barcodelookup.com or upcdatabase.com, if you enter the numbers below the black and white stripes of the bar code, you can get information on the product's name, category and manufacturer. Bar-codes are also used to provide information about services.

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