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2). How To Choose A Barcode Scanner? By : Ricky Lim
Barcode scanners are light emitting devices that are used to read barcodes. Usually attached to a computer or laptop via PS2 or RS-232, the data collected is stored on a computer for processing or storage. It is now used in many different industries such as retail or production.
They have been on the market for many years now with new versions of barcode scanners available every year.
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