Computers have become an essential life necessity. Since their introduction in 1948, they have basically changed the way of working, studying, doing business, trading and doing research.
The impact of computers on science and technology is gigantic. The time of complex operations in mathematics has been reduced from hours to seconds. Statistics, data collection, storage and processing have also been enhanced by information technology. Computers have been widely applied in industry for directing and evaluating various technological procedures. The manufacturing process includes not only their practical application; the processing units are integral parts of such products as automobiles, railway engines, watercraft, weapons, cash desks or CNC machinery.
The computer appliances are also more and more common in health care. They are especially useful in therapeutic identification, patient surveillance and overall clinic management. Financial institutions depend on information technology not less than architect's atelier or machinery designing engineer's studio. Computer technology modernizes more and more areas, including innovative merchandise advertising and marketing.
Computers widely influence teaching and learning process in various ways. The school management staff uses them for data processing and storage or accounting purposes. Teachers apply them in instruction process, where they are becoming increasingly important. The increasing number of junior and high schools provide instruction in information technology and its practical application. This tendency is growing, for the age of IT is closer and closer and expertise in this field is essential for as we are all on the brink of computerized future and an understanding of computers is especially important for the future users who are present-day children and teenagers. The future domination of IT in modern society ahead of us is unquestionable and hardly anybody would deny it.
