ERGONOMIC KEYBOARD
Is a computer keyboard designed with ergonomic consideration to minimize muscle strain and a host of related problems. typically such keyboard are constructed in a V shape to allow right and left hands to type a slight angle more to the human form.

INKJET PRINTER
Is a type of computer printer that creates a digital image by propelling droplets of ink onto paper. they are the most commonly used type of printers


LASER PRINTER
Is a common type of computer printer that produces high quality text and graphics on plain paper. as with digital photocopiers and multifunction printers.



MAGNETIC-INK CHARACTER RECOGNITION
Is a character recognition technology used primarily by the banking industry to facilitate the processing of cheques. the technology allow computer to read information such as ( account number) off printed documents.



OPTICAL CHARACTER RECOGNITION
Is a mechanical or electronic translation of scanned image of handwritten, typewritten or printed text into machine encoded text. it is widely used to convert books and documents into electronic files to computer a record- keeping system in an office or to publish the text on a website.


OPTICAL MARK RECOGNITION
OMR devices work with a dedicated scanner device that shines a beam of light onto the form paper. the contrasting reflectivity at predetermined position on a page is then utilized to detect the marked area because they reflect less light than the book area of the paper.