Scanner to Computer Information
A variety of scanners are available that offer the user separate applications. The specific scanner application determines how the scanner interacts with its associated computer system.
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Optical Character Scanners
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The optical character scanner eliminates the need for a word processor to type the words or a graphic artist to recreate the illustrations to electronically reproduce a document. OCR scanners use software, bitmaps and neural network technology algorithms to convert paper documents to computerized document files.
Barcode Scanners
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The barcode scanner used in retail environments allows for such applications as inventory tracking. Barcode scanners connected to registers have a cable connection to the store's computer. Barcode scanners used on the sales floor may either have a wireless connection to the primary computer; or the sales associate may use an RS-232 docking port after completing a particular task.
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Radio Frequency Scanners
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Radio frequency scanners tune into, or scan for radio calls over frequencies such as used by police, fire and medical emergency services. Connecting this type of scanner to a computer allows the user to maintain a database of preferred frequency groupings or 'banks' that they can load to the radio frequency scanner whenever they want to switch to a different set of frequencies according to SignalHarbor.com.
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