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The Universal Product Code barcode, commonly known as the UPC barcode, is primarily used on retail products and scanned at checkout to retrieve details like price and inventory.Other barcode types, including QR codes, have broader uses in advertising, ticketing, payments, and more.UPCA barcodes can help companies collect data on consumer behaviour and preferences. UPCA barcodes have the potential to serve as an effective marketing and advertising tool. UPCA barcode differs from other barcodes: *The length of the UPCA barcode sets it apart from other barcode types as one of the main differences. Specifically, the UPCA barcode consists of 12 digits, where the initial 6 digits indicate the manufacturer and the subsequent 5 digits indicate the product number.The final digit serves as a check digit, which guarantees the accuracy of the barcode. *The Universal Product Code Version A (UPCA) barcode employs a symbology that defines how the barcode is encoded and decoded.This symbology utilizes four bars and spaces for each digit, with each bar or space being either narrow or wide. The unique pattern of narrow and wide bars and spaces for each digit enables barcode scanners to read and decode the information encoded in the barcode. The following components are necessary for the implementation of UPCA barcode. *A barcode scanner is a tool utilized for deciphering the encoded information within a barcode. There are several variations of barcode scanners to choose from, including handheld scanners, fixed mount scanners, and mobile computers. *Barcode printers serve the purpose of printing barcode labels. There are different types of barcode printers to choose from, including direct thermal printers, thermal transfer printers, and inkjet printers.The price of a barcode printer varies depending on its type and the features it provides.