Monday, January 17, 2011

Input and Output

Ergonomic Keyboard
A keyboard that has it keys seperated into an obvious two halves shaped like a "V." There are keyboards with fixed or movable layouts. Ergonomic keyboards put less stress on the hands and the wrist. It is comfortable for most users.
Ergonomic Keyboard.

Ink-jet Printer
An inkjet printer is a type of computer printer that creates an image on paper by placing small droplets of ink on it. Inkjet printers are commonly used for it is quiet and relatively inexpensive.
Inkjet printer.

Laser Printer
Laser printer uses laser to imprint images on papers. It is known for printing/producing high quality text and graphics. But it is not commonly used because of it's expensive cost.
Laser Printer

Magnetic-ink Character Reader (MICR)
Magnetic-ink Character Reader is a technology mainly used by the banking industry to process cheques. Computer can read informations such as account numbers off printed documents using MICR. MICR can be easily read by and translated by humans unlike characters like Barcodes.
MICR

Optical-character Recognition (OCR)
OCR is a mechanical translation of scanned images of handwritten, typed or printed text into an encoded text. It is used to convert physical books into electronical files so on. It also has many other functions like editing text or words search.

Optical-mark Recognition (OMR)
OMR is a process in which includes the capturing of human-marked datas from certain document forms such as surveys or answer sheets from tests.

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