67. 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
Option A Solution: 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.