For those who are not familiar with bar codes Luke Wilson Jersey , they are a series of lines black lines and spaces or various widths that stand for numbers and or letters, and punctuation symbols. The codes are found on most items produced today to uniquely identify items with a scanner. The scanner reflects light off the code and in turn reads the information, translates the code into numbers and letters that get processed and read by the computer.
Bar codes, or UPCs (Universal Product Codes) were first used in 1974 and the first item scanned was a package of Wrigley's Juicy Fruit gum (10 pack) Juwan Howard Jersey , which has since been put on display at the Smithsonian. At that point in time, it was projected that there would be a savings to producers of good, of just under $1.5 billion but it turns out that the estimate was incorrect and the actual savings is an impressive $17 billion a year.
Benefits of Bar Coding
There are several reasons for using bar codes which prove there usefulness:
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