The bar code 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 these
Laser scanners work the same way as pen-type readers except that they use a laser beam as the light source and typically employ either a reciprocating mirror or a rotating prism to scan the laser beam back and forth across the barcode.
