The second half of the 20th century is the beginning of the information revolution - the spread of computers and the Internet. Computers have both pluses and minuses. Among the advantages that you can use your computer to receive and process information, to use it as a typewriter, mail, TV, etc. With the help of the Internet you can communicate with anyone, wherever he was, and also offers a variety of services at home. Sitting at a computer, you can request any information from different fields, as well as R