Is scanner an output?
Scanner is an input device used for direct data entry from the source document into the computer system. It converts the document image into digital form so that it can be fed into the computer.
What is scanner as an input device?
scanner, also called optical scanner, computer input device that uses a light beam to scan codes, text, or graphic images directly into a computer or computer system. ... Optical scanners are also used in fax machines and to input graphic material directly into personal computers.