The Universal Product Code (UPC) is a barcode symbology that is widely used in the United States, Canada, United Kingdom, Australia, New Zealand, and in other countries for tracking trade items in stores.UPC (technically refers to UPC-A) consists of 12 numerical digits, that are uniquely assigned to each trade item. Along with the related EAN barcode, the UPC is the barcode mainly used for scanning of trade items at the point of sale, per GS1 specifications.
The UPC-A barcode is visually represented by strips of bars and spaces, that encode the UPC-A 12-digit number. Each digit is represented by a unique pattern of 2 bars and 2 spaces. The bars and spaces are variable width, i.e. 1, 2, 3, or 4 modules wide. The total width for a digit is always 7 modules, consequently UPC-A 12-digit number requires a total of 7×12 = 84 modules.
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Author: In One Lesson
Keywords: barcodes, barcode, mark of the beast, tattoo, upc, upc barcode, universal product code, mark on forehead, mark on hand, 666, six six six, six hundred sixtysix, six hundred sixty six, number of the beast, Beast's number, Number of man, IBM, computer
Bible reference(s): Revelation 13:15-18, Revelation 14:9, Revelation 14:11, Revelation 15:2, Revelation 16:2, Revelation 19:20, Revelation 20:4
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