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Showing posts with label scanned. Show all posts
Showing posts with label scanned. Show all posts

Jun 14, 2018

[Ans] Which commercial product was the first to have its bar code scanned?

Step 1 : Introduction to the question "Which commercial product was the first to have its bar code scanned?"



...A bar code reader (or bar code scanner) is an electronic device that can read and output printed barcodes to a computer. Like a flatbed scanner, it consists of a light source, a lens and a light sensor translating optical impulses into electrical ones. Additionally, nearly all barcode readers contain decoder circuitry analyzing the bar code's image data provided by the sensor and sending the barcode's content to the scanner's output port.o