Question

what reads the information stored in the form of bar patterns on a product​

Answer 1

Answer:

bar code reader reads the bar pattern on a product

Explanation:

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Answer 2

In a nutshell, a barcode is a way to encode information into a visual pattern (those black lines and white spaces) that a machine (a barcode scanner) can read. ... A barcode scanner will read this pattern of black and white bars and translate them into a line of test that your retail point of sale system can understand.