Example 2 - Computers

The computer is the most influential invention of the twentieth century. With it, we find it rather convenient to tackle daily work. It really brings revolution of information exchange. Among others, it has been widely used in the government and private organization. The computer has had a tremendous influence on civilization since it was developed.

The personal computer has become an indispensable tool. It takes only a few hours to learn to use the computer. The most important function of the computer is to store and retrieve the information we need. Besides, we can write a report on the computer without a pen. If we connect our personal computer to the telecommunication network, we can get the information on all subjects. Furthermore, a notebook computer, in particular, makes it easier for us to deal with any information without the limitation of space or time. To be sure, the personal computer has become a very good companion we can't do without.