MANAGEMENT

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. Bar-code scanners are used widely at point-of-sale terminals in retail stores.

Detailed explanation-2: -An optical scanner is an input device using light beams to scan and digitally convert images, codes, text or objects as two-dimensional (2D) digital files and sends them to computers and fax machines. Flatbed scanning devices are the most popular optical scanners.

Detailed explanation-3: -An optical scanning device combines specialized computer hardware and software. The hardware devices capture an image and software converts the image to computer-readable data. There are four main types of optical scanning technologies: Optical Mark Reading (OMR) Optical Character Recognition (OCR)

Detailed explanation-4: -An image scanner-often abbreviated to just scanner-is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image. Commonly used in offices are variations of the desktop flatbed scanner where the document is placed on a glass window for scanning.

Detailed explanation-5: -Types of scanning devices which are of interest include flatbed scanners, sheet fed scanners, print-head scanners and hand-held scanners. Flatbed scanners. Flatbed scanners operate in a similar way to office copiers. The image page to be scanned is laid, face down, on a glass platen.