- •Unit 2. Electronic devices
- •The age of electronics Pretext exercises
- •2.1. Read the following words and try to guess their meaning.
- •2.2. Translate the following word-groups.
- •2.3. Read the text. The age of electronics
- •2.4. Read the following statements and decide if they are true (t) or false (f).
- •2.5. Answer the questions to the text.
- •Transistor Pretext exercises
- •2.6. Read the following words and expressions and try to guess their meaning.
- •2.7. Read the following words and notice their pronunciation.
- •Memorize the following words and expressions
- •2.9. Translate the following word-groups.
- •2.10. Read the text.
- •2.11. Read the following statements and decide if they are true (t) or false (f).
- •2.12. Complete these sentences according to the text.
- •2.13. Answer the questions to the text.
- •Tenses of the Active Voice
- •2.15. Choose the right variant and complete the following sentences.
- •2.16. Put the verbs in brackets into appropriate forms.
- •2.17. Read and translate the following sentences paying attention to the tenses.
- •2.18. Translate the following sentences from Russian into English.
2.4. Read the following statements and decide if they are true (t) or false (f).
The discovery of electron didn’t influence physical science.
It is possible to get the same results with ordinary electrical equipment as with transistors and radio tubes.
The device is called electronic if the stream of electrons passes through an electric copper wire.
The aim of electronics was to improve communication.
Vacuum tubes are classified according to the number of electrodes.
Vacuum tubes are much less than solid-state devices.
Parts of transistors wear out very quickly.
Equipment made with transistors weighs much more in comparison with valve equipment.
Transistors waste very much power.
A filament, a plate and a control grid are parts of a diode.
Electronics doesn’t serve to carry information.
2.5. Answer the questions to the text.
What is electronics?
How are vacuum tubes classified?
What device is called electronic?
What is a semiconductor?
When was the first transistor invented?
What led to the acceleration in the growth of electronics?
What is the main purpose of electronics?
What are the advantages of transistors?
What are the advantages of vacuum tubes?
Where are vacuum tubes still widely used?
What led to a revolution in physical science?
Who invented the first transistor?
In what direction do the electrons move?
Text B
Transistor Pretext exercises
2.6. Read the following words and expressions and try to guess their meaning.
Key element, electronics, invention, importance, process, produce, discrete, component, circuit, control function, design, terminal, property, output, signal processing, reproduction, amplifier, input, include, current, switch, apply, application, operation, digital circuit, valve, vacuum tube, equipment, replace, voltage, heater, intensity, vibration, limitation, broadcasting, sensitive, mobility.
2.7. Read the following words and notice their pronunciation.
reliability |
[rI`laIq`bIlIqtI] |
predecessor |
[`prJdI`sqsq] |
majority |
[mq`GOrqtI] |
application |
[`xplI`keISn] |
determine |
[dI`tWmIn] |
manufacturing |
[`mxnjq`fxCqrIN] |
relevant |
[`relqvqnt] |
ruggedness |
[`rAgIdnqs] |
vibration |
[vaI`breISn] |
intensity |
[In`tqnsqtI] |
ubiquitous |
[jH`bIkwItqs] |
frequency |
[`frJkwqnsI] |
Translate the following attribute groups.
semiconductor device fabrication
control function
equivalent mechanical control function
sound reproduction
signal processing
modern transistor audio amplifier
high power application
switched-mode power supply
highly automated manufacturing process
battery-powered application
high frequency operation
over-the-air television broadcasting
electron mobility
atmospheric nuclear explosion
Memorize the following words and expressions
along with |
вместе с, наряду с |
to carry out |
проводить, осуществлять |
logic gate |
логический элемент |
prior to |
до |
switch |
переключатель, выключатель |
to rest on |
зд. основываться, опираться |
cathode heater |
нагреватель катода |
capacitor |
конденсатор, емкость |
ruggedness |
зд. прочность |
predecessor |
предшественник |
to avoid |
избегать |
dissipation |
рассеяние |
reliability |
надежность |
to determine |
определять |
application |
применение, приложение |
to achieve |
достигать, добираться |
terminal |
клемма, зажим |
due to |
вследствие, из-за |
signal processing |
обработка сигнала |
to fabricate |
собирать |
gain |
коэффициент усиления |
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