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STORING, SORTING AND LISTING INFORMATION (DATA-BASES)

Organisations with lots of information about things used lots of paper and card which was filed away carefully so it could be found easily.
In order to record different sorts of information about the same thing and store it under different headings, it was necessary to write or type several cards for each thing and store them in different indexes.

Some mechanical methods of retrieving information from sets of punched cards were devised, including some which used knitting needles, but most were short lived.
Computer data bases, such as Spread sheets and Microsoft Access, are used for recording information once and sorting and searching it in many different ways.