23. The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device? A. Laser scanner B. Wand C. OCR D. MICR E. None of the above
A barcode scanner, also called a point-of-sale (POS) scanner or a price scanner, is a device used to capture and read information contained in a barcode. The scanner consists of a light source, a lens and a light sensor that translates optical impulses into electrical ones.