Barcode Scanners are computer peripherals used for reading barcodes printed on various surfaces. Barcode scanners or barcode readers are consists of a light source, a lens and a photo conductor that translates optical impulses into electrical ones. Almost all barcode readers produced have decoder circuitry that analyzes the barcode's image data provided by the photo conductor and sends the barcode's content to the scanner's output port. Discount Computer Parts Center has a variety of CCD scanners (also known as LED scanners) that features rugged and reliable designs and offers loads of features to satisfy all your barcode scanning needs.