Nowadays, computers play a very important (1) ________ in our everyday life. Computers can work with information much more quickly than a person because they can work (2) ________ lots of information at the same time. They can keep information a long time. Computers are not completely perfect.
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 amounts of (3) ________. They have to make sure that there are (4) ________ goods on the shelves for customers to buy, they need to be able to re-order before stocks run (5) ________, to decide which things are selling well and so on.