An optical scanner known as a barcode reader can read printed barcodes, decode the data they contain, and communicate that decoded data to a computer. It has a light source, a lens, and a light sensor to convert optical impulses into electrical signals, just like a flatbed scanner.
What is an Barcode Reader?
Businesses employ barcode scanners to capture and read data from a barcode. A light source, a lens, and a light sensor that converts optical impulses into electrical ones make up a scanner.
When using a barcode scanner, a light beam is sent over the barcode, and the amount of light reflected is then measured. The barcode’s dark bars reflect less light than the spaces between them, which are white. The decoder then transforms the electrical energy from the light energy into data and sends it to a computer after being processed by the scanner.
Ans. In June 1974, a pack of Wrigley’s chewing gum was the first item to be scanned with the now-ubiquitous Universal Product Code (UPC) barcode using a Photographic Sciences Corporation scanner at a Marsh supermarket in Troy, Ohio.
Ans. Barcodes make it considerably quicker and simpler to check out items at a store and keep track of inventory in a warehouse by encoding product information into bars and alphanumeric letters. Bar codes’ main business advantages are accuracy, inventory control, and cost savings in addition to simplicity and speed.
Ans. A barcode carries details about a product, like its cost and weight, its manufacture and expiration dates, the manufacturer’s name, etc. An worldwide organisation created for this purpose assigns barcodes. Every product in the world has a distinct barcode.
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