FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -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.

Detailed explanation-2: -A computer scanner is a digitizer, a type of input device. It takes real-world objects (e.g., a document or picture) and converts them to digital information for a computer to store or manipulate.

Detailed explanation-3: -A scanner is considered an input device since it provides information to the computer in the form of scanned images. It will take anything that is physically present, such as a paper or a picture, and convert it into a digital form before transferring it to your personal computer.

Detailed explanation-4: -Scanner is an input device, which works more like a photocopy machine. It is used when some information is available on paper and it is to be transferred to the hard disk of the computer for further manipulation. Microphone is an input device to input sound that is then stored in a digital form.