Computers play an important 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 amounts 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 stocks run out, to decide which things are selling well and go on. All these processes are performed quickly and efficiently by computers. 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 not easy or fast. A computer system is much more efficient
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