That information is then “read” by a barcode reader (also called “barcode scanner”) to identify and validate the cardholder for access to a building or permission to check out library resource materials, for example.īarcodes come in two varieties: one-dimensional (1D) and two-dimensional (2D). Think of it this way: barcodes can be embedded with (or they can "hold") very limited amount of identification-type data such as a cardholder number, a key, or a specific code. checking out library books and/or resources.From businesses to schools, organizations use barcodes for many different reasons: If you want to take your photo IDs to the next level without spending a lot of time or extra money, we recommend adding a barcode to your credentials.
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May 2023
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