Tuesday, January 18, 2011

Input and output


Ergonomic Keyboard
An ergonomic keyboard is a keyboard that have been designed with ergonomic considerations to minimize muscle strain and a host of related problems.

Ink-jet printer
An inkjet printer is a printer that propels variable-sized droplets of ink onto paper. Inkjet printers are the most commonly used type of printer by many people.

Laser printer
A laser printer is printer that produces high quality text and graphics on plain paper at a high speed.

magnetic-ink character recognition(MICR)
A character recognition technology that is used mostly by the people in the banking industry. This technology allows computers to read information from printed documents.

Optical-Character recognition(OCR)
A mechanical or electronic translation of scanned images writings or printed text into machine-encoded text. It is usually used to convert books and documents into e-books and e-documents.

Optical-mark recognition 
 A process of reading data from document forms such as surveys and tests.

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