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 (1)_______ is stored, processed and communicated. In the past, this information used to be kept on paper in the (2)_______ of, for example, books, newspapers and timetables. Now more and more information is put on computers. Computers play an important part in our everyday lives. Consider the use of computers in both shops and offices. Big shops, especially chain stores with branches all over the country, have to deal with very large (3)_______ of information. They have to make (4)_______ there are enough goods on the shelves for customers to buy, they need to be able to re-order before stocks (5)_______ out, to decide which things are selling well and so on. All these processes are performed quickly and efficiently by computers.

(4) ................

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