FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A scanner is a device that captures images from photographic prints, posters, magazine pages and similar sources for computer editing and display. Scanners work by converting the image on the document into digital information that can be stored on a computer through optical character recognition (OCR).

Detailed explanation-2: -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.

Detailed explanation-3: -Optical character recognition (OCR) is a technology that can scan uneditable files, identify the text elements on the page, and use the scanned data to produce an editable text file, like a PDF.

Detailed explanation-4: -Flatbed Scanner: In this type of scanner, the object to be scanned is placed face down on a glass window, which is illuminated with a bright light. Handheld Scanner: It is a manual device, which is dragged over the surface of the image to be scanned.

Detailed explanation-5: -When you scan an image, you reproduce it in an electronic, digital form. With the digital version, you can then do many things, including: store and retrieve the image to and from a digital storage disk, edit it in software programs like PhotoShop, and compress it for Web broadcast.