10. Put these words in the right order to make sentences.

1. A / a / a / webcam / is / to / video / device / capture / connected / computer.

2. A / a / surveillance / webcam / be / can / also / used / security / system.

3. A / a / a / line-scan camera / camera / is / device / line-scan image sensor / containing / chip.

4. Many / can / compact / still / cameras / record / digital / sound.

5. Webcams / tiny / cameras / are / digital.

6. Macro / compacts / have / often, capability.

7. Line-scan / pixel / single / array / use / of / a / sensors.

8. Cameras / usually / are / to / to / be / designed / compact / easy / use.

11. Match the first part (1-8) of the sentence with the second one (a-h).

1. The magnetic amplifier is …

2. An audio amplifier is …

3. Distributed amplifiers are …

4. A fully differential amplifier is …

5. An operational amplifier is …

6. Sound is a mechanical wave that is …

7. A transducer is …

8. A microphone is …

a) … an electronic amplifier that amplifies low-power audio signals to a level suitable for driving loudspeakers and is the final stage in a typical audio playback chain.

b) … circuit designs that incorporate transmission line theory into traditional amplifier design to obtain a larger gain-bandwidth product than is realizable by conventional circuits.

c) … an amplifier circuit with very high open loop gain and differential inputs which employs external feedback for control of its transfer function or gain.

d) … an electromagnetic device for amplifying electrical signals.

e) … a solid state integrated circuit amplifier which employs external feedback for control of its transfer function or gain.

f) … an acoustic-to-electric transducer converts sound into an electrical signal.

g) … a device that converts one type of energy to another.

h) … an oscillation of pressure transmitted through a solid, liquid, or gas.

12. Here are the answers; work out the questions:

- it feeds its images in real time;

- began building webcams directly into laptop and desktop screens;

- it combines a video camera and a video recorder into one unit;

- analog recording onto videotape;

- are called tapeless camcorders.

- is the translation and transcription of sound into an on-off format.

- can be copied an infinite number of times without losing sound quality.

13. State the forms and functions of the Participles and translate the following sentences into Ukrainian:

1. Having determined the number of amperes and the number of volts, we can find the resistance of the coil by using Ohm's law.

2. Practically all the resistance is in the cell itself, the resistance of the ammeter being too small to be considered.

3. A part of the energy delivered to any motor or generator is lost within the machine itself, being converted into heat and wasted.

4. The fluorescent screen scheme requires that the radio current being investigated is periodic, that is, it repeats its form for several seconds.

5. In mapping a field around a magnet, it must be remembered that the earth's field may exert considerable influence on the compass needle in addition to the effect of the field being studied.

6. Leakage from a magnet is similar to current leakage from an electric circuit having a bare electric conductor immersed in a liquid conducting medium of relatively low conductivity.

7. The conductor being wound into a coil, the fields about each turn combine and create a strong magnetic field about the coil.

8. One may say that the relative motion of both the flux and the conductor determines the e. m. f. induced.

9. Having been carefully tested the device was put into operation.

10. A diode employing a large bias producing resistor yields a current proportional to the peak of the applied voltage over a wide range.