Computer Hardware Module:
The general hardware component of a geographical information system is the computer or central processing unit. It is linked to a disk drive storage unit, which provides space for storing data and programs. A digitizer, scanner and other device is used to convert data from maps and documents into digital form and send them to computer. A digitizer board is a flat board used for vectorisation of any map object. A plotter or other kind of display device is used to present the result of the data processing and a tape device is used for storing data or programs on magnetic tape.
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Last Updated on 28 September 2012