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A scanner is an electronic device which can capture images from physical items and convert them into digital formats, which in turn can be stored in a computer, and viewed or modified using software applications.
Different types of scanners are available with different resolutions. In the world of electronic data transmission, scanning is considered to be the most cost-effective and reliable way of transmitting images.
The basic principle of a scanner is to analyze an image and reproduce it to a digital one using the optical character recognition techniques.
Prominent features of a scanner include: