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Drawing applications such as GIMP or Adobe Photoshop must communicate with the scanner. There are many different scanners, many of which use different protocols. To simplify application programming, a number of Application Programming Interfaces ("APIs") have been developed. The API provides a unifi
What is Barcode Reader ? A barcode reader is a scanner device that reads black and white bars containing pieces of information (descriptive data of numbers and letters). It basically works using the principle of electro-optic. The barcode reader consists of 3 parts. These are converters, decoders an
An image scanner (often shortened to scanner) is a device that optically scans an image, printed text, handwriting, or object and converts it into a digital image. Commonly used in offices is a variant of the desktop flatbed scanner, where the document is placed on a glass window for scanning. Handh
MovieThis type of scanner, sometimes called a slide or transparency scanner, works by passing a narrowly focused beam of light through the film and reading the intensity and color of the light that emerges. [6] "Typically, up to six frames of uncut film strips or four mounted slides are inserted int
