11. Put as many special questions as you can to the each of the following sentences:

1. A film, also called a movie or motion picture, is a story conveyed with moving images.

2. Digital video is a type of video recording system that works by using a digital rather than an analog video signal.

3. Live television refers to television broadcast in real time.

4. A videotape is a recording of images and sounds on to magnetic tape as opposed to movie film or random access digital media.

5. An electron gun is an electrical component that produces an electron beam.

6. The videocassette recorder is a type of electro-mechanical device that uses removable videotape cassettes for recording audio and video.

7. The barrel of the lens contains a focusing ring which allows you to focus on objects near and far.

8. In a communication system, a transmitter encodes a message into a signal.

12. Match the first part (1-7) of the sentence with the second one (a-g).

1. The movie camera is …

2. A camera is …

3. The electromagnetic spectrum is …

4. An image sensor is …

5. A videotape is …

6. An audio tape recorder is …

7. The light is organized by …

a) … a device that converts an optical image to an electric signal.

b) … a recording of images and sounds on to magnetic tape

c) … a type of photographic camera which takes a rapid sequence of photographs on strips of film.

d)… a device that records/stores images.

e) … the range of all possible frequencies of electromagnetic radiation.

f) … feeds real time images directly to a screen for immediate observation.

g) … the lens.

13. Put the verbs in brackets into the correct form according to the meaning (using Indefinite, Continuous, Perfect Tenses).

1. The nucleus of the atom (to be) … in its centre.

2. Electrons easily (to flow) … from atom to atom in conductors of electricity.

3. Our scientists (to prepare) … programmes for automatic devices.

4. Scientists (to discuss) … the results of their experiments yesterday.

5. The lecturer (to speak) … about the latest works in the sphere of radio electronics.

6. Electronics (to become) … very important to engineers working in various branches of industry.

7. The engineers (to discuss)… the advantages of this new system.

8. More heat (to require) … to boil a big vessel than a small one.

9. We (to show) … a number of experiments illustrating the presence of high-energy particles in the cosmic radiation.

10. Before the first astronaut went into space, much work (to do) … with the sputniks.

11. The scientists of our laboratory (to carry) … out experiments with a new type of insulating material for several years before they got positive results.

12. The engineers (to discuss) ... the advantages of this new system.

13. The apparatus (to work) … when you come.

14. The solar battery (to convert) … the energy of sun rays directly into electric energy.

14. Choose the appropriate form of the verb and translate the sentences into Ukrainian.

1. By the end of the previous term the students (mastered, had mastered, will master) the necessary lab techniques.

2. By the end of the year they (will settle, settled, will have settled) all the problems and will begin their tests.

3. They have developed the new waterproof cable which will help (will solve, solve, to solve) all the problems relating to telephone service failures since water cannot enter the space between insulated conductors.

4. By the end of the year they (have carried, will be carrying, will have been carrying) out field trials with a new teleprinter for several months.

5. It is not the sound of the voice that (will travel, travels, traveled) over the wire when we talk over a telephone.

6. They (will have been carrying, will be carrying, have carried) out this work until they get the necessary data.

7. The scientists of our laboratory (will have been carrying, had been carrying, will be carrying) out experiments with a new type of insulating material for several years before they got positive results.

8. Our engineers (was testing, will be testing, had been testing) the new device for some months before it was put into service.

9. More heat (have required, is required, required) to boil a big vessel than a small one.

10. Several thousand meteors (is landed, land, have landed) on the surface of our planet daily.

11. While the experiment (carried out, is carrying, was being carried out) nobody left the laboratory.

12. This theory (has been used, uses, will be used) for analyzing the experimental data.

13. Radio (employs, is employing, has been employed) electrical energy to transmit sounds, images and signals.

14. The engineers (were attaching, have been attached, will be attaching) the wires to the devices when I came in.

15. In the previous section you (were given, are given, to give) some facts to illustrate this phenomenon.