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Barcodes are among the essential tools various businesses can not do without nowadays. The major benefits of using barcodes are in the areas of error reduction and productivity.
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For instance, the use of barcodes has brought revolutionary changes to inventory management. Barcodes have been very effective tools in carrying and tracking all vital product details as well as in real time updating of inventory status or levels. Barcodes are recognized, universal features in various products that they do not call attention anymore. Â It seems that they are expected to be in every product. They can be found in offices, warehouses, commercial establishments, government agencies, hospitals, hotels, and any organization that has to manage an inventory of products or services.
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Customers and clients may seldom think of how barcodes work but they know that scanning the set of parallel and alternating white and black lines accurately provide the needed information to complete the transaction fast.
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The rationale behind the accuracy and efficiency of the transaction is that any item that is barcoded carries information about its identification and other relevant that are stored in the host computer which is part of the barcode system. Â An important component of the system, the barcode scanner, decodes the information contained in the barcode label and shows it in a human-readable output, in the monitor.
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Barcode languages are presented in the labels as symbols like a group of black bars of non-uniform widths, thicknesses, and lengths alternately with unequal white spaces. Each group or set stands for a given number of characters.  The barcode software commands the processes of storing and decoding the information in barcode labels.
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The barcode software is considered a critical part that determines how the whole barcode system operates. The software developer may design an inventory system that maintains a list of the company's products and their respective product identification and other basic information. The software may include instructions for inventory management, such as inventory tracking, records updating, and data retrieval every time the barcode is scanned. The software to be used will depend on the needed activities and desired results whenever a barcode is scanned.
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Barcode scanners, also known as barcode readers, are available in various designs and capabilities.  They are needed to decode the barcode symbols into human-readable information. Generally, scanners have a light source, lens and a sensor. Based on the technology used, scanners can be classified as: laser scanners, pen scanners, cameras canners and LED scanners.  They can also be portable or stationary.
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The effectiveness of barcodes depends a lot on using the appropriate system.
