Introduction
A recent survey showed that nowadays in the United States of America,three out of four American adults claimed to own a computer. At a time when computers have become cheaper,it is not a big surprise that so many people own one.Computers as well as Internet have changed our lives and our society : in fact, people use it as a source of information but also as a way to entertain themselves. That is why it is obvious that the computers have become a tool which is essential in our society.It revolutionized our way of living by covering information ,by providing new entertainments but also because everyone uses computers in the business world.
I. Computers give an easier access to information.
a. Data bases have been created.
b. Dictionary and encyclopedia programs can be installed for free.
c. The main newpapers have their own website,there is no need to pay or to move in order to read an article.
II. People discovered new ways of entertainment thanks to computers.
a. Movies,songs and games can be downloaded.
b. It is possible to stay in touch with people living far away.
III. In the business world,without a computer you cannot work.
a. It is the main way to communicate between colleagues : a tool to cooperate.
b. Official documents are all typed on a computer.

Conclusion
The computers appear as great new tools for society.It allowed people to change their life but also the complexion of their work. Thanks to it,information is easier to access,new kinds of entertainment can be developed,in short, it revolutionizes the world of the media.It is also important to highlight that it is always updating to answer people’s need.Computers have definitely become something on which everyone can rely and that everyone needs