Article: How Do Bar Codes Work? -- A Simple Primer
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How Do Bar Codes Work? -- A Simple Primer
What?s black and white and read all over? Sure, its an old joke. But before you say a zebra with a suntan or skunk in a blender, think bar code. We've all grown accustom to seeing bar codes at the supermarket, in our shipping and receiving departments and on the factory floor. Some are now seeing bar codes in a different light -- as a productivity tool for front office applications.
At the supermarket, the bar code is telling the store inventory system that the product you are buying has reached the checkout stand and is being transferred out of inventory. In a sense, the bar code is a tool for tracking the location of something, whether it is a can of soup, or a freight car. Some are now seeing the potential for tracking documents in the front office. For example, each repo...
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