Hardwer notes

Hardware P.g. 103-109

Scanners
A scanner enables you to import a digitised image of a photograph, picture or piece of text and incorporate it in a word processor or DTP program.
· Scan pictures and diagrams for inclusion in other applications (presentation, DTP, word processing)
· Scan text that you want to include in departmental documents or learning materials.


Optical Character Recognition (OCR)
Uses an ordinary scanner to take a photographic image of printed or even hand-written text. Special software then looks at the image, recognises each character and converts it into a text file. This can then be edited using a word processor. It is also used to automatically recognise postcodes on letters at sorting offices.

Optical Mark Reader (OMR)
Similar to a bar code reader but uses infra-red light to scan pencil marks on prepared forms such as multiple-choice examination answer sheets or lottery tickets.

Magnetic Ink Character Recognition (M...