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2.7 Translate the following.

1. When tested this digital computer showed the desired results. 2. When this computer was being tested it showed the desired results. 5. the com­puter tested showed good operation. 4. The engineer tested this calculation on a digital computer. 5. The calculations tested by a computer are always reliable. 6. Having tested the information got by the means of the latest model of the device the scientists were satisfied with the results. 7. After testing the device was put into service. 8. Having been tested the new train was put into operation.

2.8 Complete the sentences according to the text.

1. A digital com­puter is a machine which … . 2. An analogue computer is a machine which ... . 3. The essential difference between digital and ana­logue computers lies in ... 4. Digital computers are used more widely because ... . 5. A digital computer may be either … . 6. A special purpose machine is a machine which ... . 7. adata-processing system may be either … . 8. The "big brains" solves … . 9. … does only one job over and over again. 10. … cannot do anything else. 11. The first digital com­puter was probably … .

2.9 Give definitions to: 1) an analogue computer; 2) a digital computer; 3) the advantages of a digital computer over an analogue one.

Dialogue 2.10 Dramatize the dialogue & make your own ones. Using portable calculators

  • Computers are finding application in new fields of science, industry and engineering, aren’t they?

  • Yes, you are quite right, they are coming in our everyday life. A single chip can stand for a whole computer since it contains the processor, RAM, ROM, clock and I/O control unit. It is used for myriads of applications from automobiles to toys.

  • How do students use electronic calculators?

  • Thanks to the fact that these devices tend to be just a little larger than а package of average size cigarettes, the pocket calculators allow the students to solve different mathematical problems without going to a computing laboratory.

  • What operations can such calculators perform?

  • They can perform four basic mathematical operations of addition, subtraction, multiplication and division as well as raising to the power and square rooting.

  • How can the results be seen?

  • The meter control device displays the answers on an indicator scale in a flash as soon as the button is pressed. Such calculators can work either from standard electrical circuit or from an elec­tric battery. Students use these calculators to solve problems of their research works and diploma projects.

2.11 Give English equivalents to the Russian phrases from the dialogue above: находить применение; повседневная жизнь; в области науки, техники и промышленности; карманный калькулятор; среднего размера пачка сигарет; немного больше; решать задачи; могут выполнять; позволяют студентам; не заходя; такие калькуляторы; нажата кнопка; также как и; четыре основные математические действия; сложение, вычитание, деление, умножение; возведение в степень, извлечение квадратного корня; на дисплее; показывает; счетно-контрольный аппарат; мгновенно; как только; могут работать либо …, либо …; обычная электросеть; батарейка; научная работа; дипломный проект.

Word power

Nouns: ancestor предок, прародитель; axe топор; cloth ткань, материя; descendant потомок; fossil окаменелость, ископаемое; hammer молоток, молот; loom ткацкий станок; pattern образец; preci­sion точность; аккуратность, пунктуальность; screwdriver отвёртка; tool инструмент, орудие; virtue добродетель; достоинство, преимущество Verbs: to inherit наследовать, получать наследство; to preserve сохранять; to distort искажать, извращать; to consist of состоять; to trace back набрасывать, чертить; to contribute to жертвовать, сообщать, содейстовать; to persist упорствовать; to weave сплетать; to improve улучшать; to slide скользить. Adjectives: outstanding выдающийся; unreliable ненадёжный, недостоверный; insufficient недостаточный, ограниченный, неполный; decorative декоративный.

Word combinations: get along with уживаться; rather than скорее, чем; no one other than he никто кроме него; manual dexterity проворство, сноровка, ловкость рук; to come into widespread use стать широко употребляемым.

Guess the meaning: other than the parts of our own bodies; just as much as; human beings; our ape-like ancestors; in a tool-using society, count for more than brute strength; the clever rather than the strong inherited the earth; the tools of communication; are designed to serve; only quite recently, for the most part; as well; to aid our minds; in any way; the reverse is closer to the truth.

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