What is Scanner? : Full Information -Tech with Priye For computer editing and presentation, a scanner is a device that extracts pictures from photographic prints, posters, magazine pages, and other sources. Using optical character recognition, scanners turn the image on a page into digital data that can be saved on a computer (OCR). A tool for inspecting, reading, or keeping an eye on anything. A device that, as a diagnostic tool, analyses the body using radiation, ultrasound, or magnetic resonance imaging. A tool that scans paper documents and creates digital data from them. Types of Scanner– Image Scanner OCR (Optical Character Recognition) OMR (Optical Mark Reader) Bar Code Reader MICR (Magnetic Ink Character Recognition) Electronic Card Reade r Read More About Data Scanning Devices : click here Image Scanner OCR (Optical Character Recognition) OMR (Optical Mark Reader) Bar Code Reader MICR (Magnetic Ink Character Recognition) Electronic Card Reade r