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
Step 2 : Answer to the question "Which commercial product was the first to have its bar code scanned?"
Wrigley's Juicy Fruit gum:
The first bar code scan happened in a Marsh supermarket in Troy, Ohio. The scanning of the bar code facilitated the purchase of a 10-pack of Wrigley's Juicy Fruit gum. The date was June 26, 1974. One of the first 10 scanners put into use in supermarkets at that time is now on display at the Smithsonian National Museum of American History. The scanning of bar codes is still widely used in manufacturing and retail outlets. Source: ChicagoTribune.com
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