"Optical scanners" are devices that take images or readings of things using light, and then convert that information into digital data that can be stored, analyzed, or used in some other way. Full definition
The major drawback with optical scanners is that they aren't difficult to fool. (androidauthority.com)
Enter paperwork into an electronic system either by data entry or by using optical scanners * Maintain and update filing system to ease the process of document retrieval. (ziprecruiter.com)
Several vendors use a variety of optical scanners, printers, and telephone and on - site support. (educationworld.com)