Question

How does a barcode work? Please don't copy paste from the internet​

Answer 1

Answer:

The first step in understanding how barcodes work is to gain an understanding of what a barcode is. A barcode is a code in the form of numbers and parallel line patterns in differing widths meant to be read by a machine, or scanner.

A barcode can be found printed on a product and is used to identify varying aspects about the product.

Explanation:

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