Lesson 7-9.

*Task I Group the word-combinations according to the point of: a) advantages of computers

b) disadvantages of computers. Make up sentences.

Revolution in science, to reduce people’s communication, great volume calculation, high speed, to cause eye diseases, to get all information, games and net dependence, space exploration, to limit physical activities, to reduce mental activities, to enhance progress

*Task II Translate the word combinations into Ukrainian:

1 electric impulses 7 errors correction

2 computing equipment 8 computer memory

3 computer application 9 the reason of

4 automatic piloting 10 analog computer

5 high-speed computations 11 to yield data

6 word processing 12 storage device

**Task III Give the equivalents of the following word combinations:

Галузь науки автоматичний контроль

Можна вирішити вимагати

Виняткова можливість об’єм обчислень

Цифровий складні проблеми

Обчислення електроімпульсів послідовність імпульсів

Додавання та віднімання множення та ділення

Давати результати космічні механізми

Надавати підтримку високошвидкісні обчислення

**Task Read the text about computers.

HORRIFUING COMPUTER MISTAKES THAT CAUSE TROUBLES

The modern computer can do many of kinds of jobs. These include tasks in the commercial, scientific, industrial, communication, statistical, logical, and translation areas. There are two kinds of computers, scientific and commercial, which can do these tasks.

The scientific computer most efficiently attacks problems in which calculations predominate.

The commercial computer is most effective in doing the routine clerical problems of the business and commercial world. Both types will come under our scrutiny.

There were two interesting news items in the paper some time ago. One was about a man who received a bill from the telephone company for 999.999.00 dollars - for three months!

The other was about a man who received 2.000 dollars a month — for doing nothing.

The connection between the two news items is simple: computers — the worst invention of the twentieth century. The telephone bill came from a computer which made a horrifying mistake: the man's real bill was only 21.36 dollars. The other item was not so amusing. A man walked into the unguarded computer room of large packaged food company and expertly programmed the computer to pay him 2.000 dollars a month for raw meat which he "supplied" to the company. Of course he never delivered the meat, but he certainly received the money. The computer wrote out a cheque, and, even "signed" it. It was only a random check that uncovered the trick. It could be happening in thousands of other companies all over the world.

Computers are not the miracle-workers that some people say they are. They make mistakes, they're often slower than humans, and they're easily fooled. The US army used to conscript people with the help of a computer. The army sent out a card, which had to be filled in and sent back. It was easy to avoid being called up. Simply by spreading candle-wax on the card. The computer couldn't read the card, and did nothing with it.

**I. Answer the following questions:

1. In what areas can computers do many jobs?

2. What are the two main types of computers?

3. What problems do the scientific computers attack?

4. What are spheres the commercial computer most effective in?

5. Why must both computers come under our scrutiny?

6. What do you think of the computer tricks described in the text?

7. Can you give examples of mistakes made by computers?

8. Do you know the cases when computers were fooled by the people?

9. Do you agree that computers are the worst invention of the twentieth century? Give your reasons.

***II. Read the text and define its main idea. Try to define its structure (the main idea, arguments and collusions).

**III. Fill in the gaps with the correct linking words from the list below