Since the first computer was made in the late fifties, the technology has developed extremely. Computers which took the place of a living-room then, are now being made in creditcard-formats. More and more areas are being taken overby the computer.As computers are capable of handling large amounts of data in a very shorttime, they are well suited for wordprocessing. I guess that it won't be longtill all the paper-archives are replaced by magnetic tapes and diskettes. A diskette can contain much more data than a written page, and it takes lessplace It is possible to get the Norwegian telephone book on just one diskette.In near future, a new area will be taken over by computers, namely map