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6. Read the following text with the dictionary if it is necessary. Perform the tasks given below: communication (1)

Communication is a process of exchanging information. People exchange information using communication means. Communication has always some purpose. Mass communication, for example, sends messages for masses of people.

The history of communication means is a long and interesting one. At the beginning of the 19th century the electric revolution made great progress. By 1832 the telegraph had been invented. Wires crossed the continents and cables were put under the Atlantic Ocean. Some 40 years later (in 1876) the telephone was patented. Messages began to be transmitted over electrical currents carried by wires.

At the beginning of the 20th century it became possible to transmit messages without wires. Messages were sent by wireless telegraph that is now called “early radio”. But modern radio became possible only when a vacuum tube had been invented (1906). Soon after the invention of tubes, radio receivers began to be widely used in the world.

* Say what you can about:

  • the purpose of mass communication;

  • the invention of telegraph;

  • the “early radio”.

* Choose the proper attributes (A) to the nouns (B).

A B

electric current

purposeful messages

modern transmission

wireless tubes

* Translate the following combinations.

  1. Messages transmitted over electrical current ________________

  2. Wires crossing the continents ________________

  3. Newly patented means of communication ________________

  4. Transmitter and receiver forming radio system ________________

* Form the nouns from the following verbs:

To communicate _______________

To exchange _______________

To use _______________

To invent _______________

To serve _______________

To transmit _______________

To receive _______________

Text C

Computers in the different sphres of our life

Just as television has extended human sight across a barriers of time and distance, so the computers extend the power of the human mind across the existing barriers.

Computers in medicine. Computers are of the great importance in modern hospital. The chief use of computers is the storing and sorting the medical knowledge which has been required in the last 50 years. No doctor can possibly keep up with all discoveries. The only solution of the problem is store medical knowledge in a computer. Today there are medical computer centers were all existing knowledge of symptoms of various diseases and of their treatment is stored. Doctors feed data on symptoms in the computer and get the necessary information on current diagnostics and treatment.

Computers that can be learn. Ordinary computer can remember only the data stored in the hard disk. Now scientists have designed machines, which are capable of learning from experience and remembering what they have learned. Such a machine is capable of recognizing objects without human help or control. Of course, they made many mistakes. There is another similar machine which can look at letter alphabet simple words and they "say" what it has seen. The machine has a thought-out learning power.

Computers at school. Information science with the ideas and message of processing and storing information is of great importance today. That's why computer technology must be told in secondary school. The new subject "basic information science", and "computing machine" was introduced to the schools. The pupils teach computers to investigate school problems. Contact with the machine increases the interest in learning, makes them more serious about studying new subject. School computers are used not only for studying information science, but also examinations purposes.