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9.4 Circle the appropriate form of the words to complete the sentence.

reliable, rely on, reliably

Computers are … machines.

capability, capable, capably

A computer is … of performing operations very rapidly.

creation, created, creative

A programmer usually has a … as well as logical mind.

simple, simply, simpler

Microcomputers are usually … to operate.

technology, technological, technologist

The … improvements of computers have decreased man’s work workload.

accuracy, accurate, accurately

… is one of the advantages of using computers.

permission, permit, permissible

Computers … people to use their time more effectively.

associate, associated, association

Computers are … with speed and accuracy.

changeably, changing, changeable

Memory and primary storage can be used inter … .

education, educated, educational

There are many … institutions that teach computer programming.

9.5 Choose the right variant in the following sentences.

1. There are different terms which can be (application, applied) to robots.

2. In the play a robot was a (creative, creation) of Rossum and his son.

3. A robot must (imitation, imitate) the manual actions of human beings.

4. These devices though (differ, different) in shape are of the same type.

5. The power unit is a (type, typical) feature of robots.

6. Although robots vary (wide, widely) in shape, size and (capable, capability), they are made up of several (basic, basically) components.

7. A robot can be called a (programming, programmable) device.

8. Robots are (power, powerful) tools for increasing (productivity, production).

9. It is rather difficult to (classification, classify) industrial robots.

10. The term “robot” is (most, mostly) associated with the manipulator.

9.6 Arrange the words according to the table and then fill in each gap with the suitable word.

atomic, actually, optical, successfully, frequency, connection, suitable, considerably, purity, application, detectable

Noun

Adjective

Adverb

  1. Lasers were … first called optical masers.

  2. Lasers are more … for generation of energy.

  3. A precise … is natural for the laser.

  4. The … of the laser can be increased … .

  5. Lasers can operate in a very high … region.

  6. The secret of their success was the high … of the glass used.

  7. There are pollutant particles in the air that might be … by a laser beam.

  8. In most of the medical applications the laser is like a … knife.

  9. This method has been used … on human eyes.

10. The scientists choose this material for its simple … structure.

9.7 Fill in the gaps with the suitable derivative of the word given in brackets.

  1. People experienced the same feeling after the … (invent)… of the steam engine.

  2. In the 20th century … (rely) … petrol engines became available.

  3. There were some … (restrict)… for using motor cars.

  4. The motor car is one of the great human … (achieve) … .

  5. Modern cars need servicing … (constant) … .

  6. Many designers were involved in the … (develop)… of electric vehicles.

  7. A … (solve)… to this problem might be an electrically driven car or a taxi.

  8. This problem was solved by the … (introduce) … of a new three-wheel car in Britain.

  9. You can repair these damages in your car very … (easy) … .