Many of the things we do depend on receiving information from other people. Catching a train, making a phone call and going to the cinema all involve information that is stored, processed and communicated. In the past this information had to be kept on paper in the form of, for example, books, newspapers and timetables. Now more and more information is put on computers.Computers play a role in our everyday lives, sometimes without us even realizing it. consider the use of computers in both shops and offices. Big shops have to deal with very large amount of information. They have to make sure that there are enough goods on the shelves for customers to buy, they need to be able to reorder before cargoes run out. A lot of office work in the past involved information on paper. Once it had been dealt with by people, the paper was put aside for future reference. This way of working was never particularly easy or fast. A computer system is much more effective .
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