Question

how does a barcode reader work?​

Answer 1

Answer:

Since a barcode reader solely captives and interprets the UPC in the direction of through to numbers or characters, the input moves to a computer where a computer program can prove out the data. The barcode reader interfaces with a computer via a sequential port, keyboard port or a wedge that is an assemblage device.

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Answer 2

Answer:

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A barcode reader (or barcode scanner) is an optical scanner that can read printed barcodes, decode the data contained in the barcode and send the data to a computer. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating for optical impulses into electrical signals

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