Файл: Сибирский государственный университет телекоммуникаций и информатики.doc

What types of displays are used by a digital multimeter?
Why are LCDs and LEDs so popular today?
What is optoelectronics?
Which devices use LCD?
What is an alphanumeric display?
What type of LCD is called a field-effect LCD?
When is it better to use analogue displays?
What is the work of LCD based on?
Compare the advantages and disadvantages of analogue and digital watches with respect to ease of use and other factors.
State two advantages of a liquid crystal display compared with a light-emitting diode display.

XIV. Decide whether these statements are true or false.

Digital displays completely replaced analogue displays.
Both LED and LCD displays can stand up to vibration.
Digital displays are more preferable to use in comparison with analogue displays.
The LCD is an optoelectronics device.
LCDs can′t display numerical data.
The LED can display both numbers and letters.
The LED display doesn′t need electrical power to generate light.
Field-effect LCD is called in this way because it is based on the electric field.

XV. Combine words from Box A with words from Box B to make collocations.

A

digital

analogue

hi-fi

numerical

audio

calibrated

B

amplifier

data

scale

multimeter

display

power

XVI. Connect the words with their definitions.

1. alphanumerics 6. liquid crystal display

2. multimeter 7. light-emitting diode display

3. loudspeaker 8. integrated circuit

4. oscilloscope 9. optoelectronics

5. display 10. absorption
a) a branch of electronics dealing with the interaction between light and electricity;

b) an analogue or digital instrument for measuring current, potential difference and resistance and used for testing and fault-finding in designing and testing of electronic circuits;

c) a display used in computer monitors, notebook PCs and TVs that is typically smaller, lighter and less power hungry than their cathode-ray tube equivalents;

d) the use of seven-segment displays, liquid crystal displays and other optoelectronics devices to display numbers, letters and some punctuation marks and mathematical symbols;

e) a display which is based on a small semiconductor diode that emits light when current passes between its anode and cathode terminals;

f) an instrument that produces a visual representation of an oscillating electric current on the screen of a cathode-ray tube;

g) a device for converting electrical signals into sounds;

h) a very complex electronic circuit that has resistors, transistors, capacitors and other components formed on a single silicon chip;

i) a device capable of representation information visually;

j) the process of a liquid, gas or other substance being taken in.
XVII

. Complete each sentence with a word from the box.

Multimeter, analogue, integrated circuit, display, oscilloscope, liquid crystal display, light-emitting diode, loudspeaker, compound, illumination

1. Hi-fi amplifiers increase the power of audio frequency signals from tapes, records and compact disks before delivery to a (an) ……………

2. When a (an) …………….. is being used to measure the resistance of a component, it brings into action an internal battery, which makes a small current flow through the component.

3. Common salt is a (an) …………… of sodium and chlorine.

4. The colour of the light emitted from ……………. depends on the type of “impurity” introduced into the crystal structure of gallium arsenide.

5. Purpose-designed …………… packages are available to make the job easier for the circuit designer.

6. A light bulb could be used for rear-projection televisions as well as general ……………

7. A digital multemeter performs rather better than an ……………. multemeter when it is used to measure voltage.

8. An electric current is passed through a special liquid and numbers, letters, pictures can be seen on a ……………….

9. ……………… are widely used in the design and development of amplifiers, music synthesizers, televisions, radios and computers.

10. Thanks to the advances in technology, there are now several kinds of video …………. used in modern TV sets, for example a flat panel.

XVIII. Translate the sentences into Russian, paying attention to the meanings of highlighted words.

The screen will display the user′s name in the top right-hand corner. 2. There are two types of seven-segment display which depend on the nature of the digital circuits. 3. The exhibition gives local companies an opportunity to display their new devices. 4. A digital multimeter does not have any moving parts, and what is measured is displayed on a liquid crystal display (LCD) or a light-emitting diode (LED) display. 5. Electronic analogue watch uses digital circuits for timing but displays the time in analogue form. 6. Colours like red convey a sense of energy and strength. 7. Pipes convey hot water from the boiler to the radiators. 8. Students were asked to interpret the meaning of the term. 9. The data can be interpreted in many different ways. 10. She couldn′t speak much English so her children had to interpret for her. 11. Proteins are by far the most complex chemical compounds. 12. The problem was compounded by new circumstances. 13. The substance was compounded with certain chemicals to make an explosive material. 14. The DNA molecule is compounded from many smaller molecules.

XIX. Translate the sentences into Russian paying attention to the words either and neither and their combinations.

1. I can only say that although these are problems, I have neither the space here nor the relevant knowledge to address them. 2. Neither candidate was selected for the job. 3. Electric current can be either direct current or alternating current. 4. They produced two reports, neither of which contained any useful information. 5. We can meet on Saturday or Monday. Either day is fine for me. 6. I am going to buy either a camera or a CD player. 7. Neither of the boys had seen the film before. 8. Today`s earbuds are either in or out; future earpieces will give users the option of adding a discreet soundtrack to their everyday lives. 9. Neither device is reliable. 10. Sarah hasn′t got a TV and she hasn′t got a CD player either.

XX. Discussion. In pairs discuss the following questions.
1. Speak about different types of displays. What are their advantages and disadvantages.

2. How have developments in technology affected the world?

Unit 7

Причастие I (The Participle I)
Причастие II (The Participle II)
Независимый причастный оборот
Текст «A new old idea»

5. Значения слова since

I. Translate the sentences with Participle I in the function of attribute.

1. Planes are one of the few remaining places where mobile phones do not work. 2. The system being tested will increase the safety and fuel efficiency of a car. 3. A growing number of mobile phones have built-in GPS or can determine their locations using other technologies. 4. The question now being discussed at the meeting is very important. 5. The boiling water is evaporating. 6. I came upon an article in a 2005 issue of Popular Science explaining the basic idea of a new field called information theory. 7. The system being tested will increase the safety and fuel efficiency of a car. 8. A second emerging technology is based on organic light-emitting diodes. 9. The large house being built in our street is a new school. 10. In the 1980s, a local engineer, Ralph Schmidt determined the directions of signals being received by an antenna array.

II. Translate the sentences with Participle I in the function of adverbial modifier.

1. The problem is that loading the insulator with carbon changes its density, making the material softer and weaker. 2. The microprocessor helped to get rid of crystals, copper coils and vacuum tubes, putting the ingredients of a radio almost entirely on silicon. 3. Sprint spent several years testing a number of different communications technologies before choosing WiMax. 4. While studying Newton′s work “Principia” a young physicist discovered a mistake in the calculations. 5. When driving a car one should be very attentive. 6. Working on the improvement of the incandescent filament lamp Edison made a series of experiments. 7. Today, using Internet telephony almost anyone can be a telecommunications carrier, including Google, Skype, Vonage and Yahoo. 8. Kailath spent most of his career at Stanford, working his way through the professional to director of the Information System Laboratory and associate department chair. 9. While studying photovoltages, Brattain and Gibney overcame the blocking effects of the surface states by immersing the semiconductor and the metal plate in the electrolyte. 10. Being provided with batteries an electric car can develop a speed of 50 miles an hour.

III. Translate the sentences into Russian paying attention to Perfect Participle.

Having employed a durable carbonized filament, he solved at last the problem of cheap illumination on a large scale. 2. Having designed a car radar the engineers started complex tests. 3. Having been tested the computer system was installed at a plant. 4. Having been heated the substance changed its properties. 5. Having proved his point, Dr. Liu is now trying to design sensors that work more like the sense cells in a real lateral line. 6. Having stated the laws of gravity Newton was able to explain the structure of the Universe. 7. Having received his doctorate Brattain joined Bell Labs. 8. Having been published in 1687 Newton′s laws of motion are still the basis for research. 9. Having produced a field effect device a grope of engineers invented a bipolar transistor. 10. Having summed up the information about the speed and distance of various objects ahead, the computer detects all possible dangers and their nature.

IV. Translate the sentences paying attention to Participle II in the function of attribute.

1. Separate earpieces linked to the handset by a Bluetooth radio link, are already growing in popularity. 2. This year around 10 billion microcomputers will be sold, embedded in anything from computers to coffee-makers. 3. Electronic-paper displays, first developed in the 1970s are finally making their way into a number of products. 4. Climate change, the alteration in the established weather patterns is likely to bring still more economic, political and social havoc. 5. Capacitor has an almost unlimited lifetime. 6. Today′s earpieces may give way to smaller devices hidden in earrings or worn as minuscule patches on the skin near the ear. 7. The departure was delayed by a fault in the transistorized garage door opener. 8. At the low voltages used in ultracapacitors, carbon is inert and does not react chemically with the ions attached to it. 9. The first television set produced in 1939 was a tiny nine-by-twelve inch box. 10. New technologies reduce the number of workers needed.

V. Translate the sentences paying attention to Participle II in the function of adverbial modifier.

1. When completed, the project must meet the specifications. 2. If placed in evacuated glass bulb and heated by electric current, the tungsten filament presents the most suitable material for an incandescent lamp. 3. Provided with special mechanism the carburetor helps the engine turn on at once in cold weather. 4. Though discovered, Newton′s mistake had no influence on his theory. 5. If compared to today′s TV program, the first black-and-white pictures were not very good. 6. Invented in 1947 by the three-man team of Bardeen, Shockley and Brattain at the Bell Telephone Laboratories, the transistor became the most important basic building block of almost all circuits. 7. If heated to 100

C water turns into steam. 8. When pulsed to a positive voltage, an electrode is capable of attracting a negative charge to the underside of the oxide layer beneath it. 9. Controlled by software many of the functions of chips can be continually upgrated at little cost. 10. Enrobed in glass and silicon, the chip is used to identify people when they enter and pay for drinks.

VI. Translate the sentences, define the types of Participles and their functions.

The incandescent lamp was followed by a series of other inventions, making the name of Edison known throughout the world. 2. The technology, having been pioneered by Powercast in Philadelphia will be deployed for the first time this year by Philips, for lights on things like Christmas decorations. 3. The group developed computer algorithms for the systematic design of special-purpose chips, replacing many steps that previously had had to be done by hand. 4. The water jet imparts kinetic energy to the blades which spin, turning the rotor of the attached generator to produce electricity. 5. The new device is the latest in several generations of electronic particle detectors introduced since the late 1960s. 6. Computers built using the new technology can receive sensitive information for a short time, after which the information is cleared out of the device that accessed it. 7. Social factors play a crucial role in determining which technologies having been adopted and how they are used. 8. A signal applied to the metal should modulate a current flowing through the semiconductor and so provide an amplifier. 9. Class-D amplifiers are known for their superhigh efficiencies and precise, detailed sound, and much of their growing success can be credited to a single remarkable product: the Universal Class D (UCD) amplifier module designed by Bruno Putzeys of Hypex Electronics in the Netherlands. 10. In 2007 the ultracapacitor market was between $ 272 million and $ 400 million, depending on the source and it is growing especially in the automotive sector. 11. All the existing ultracapacitor manufactures including Maxwell Technologies, Nesscap Panasonic and Power System Co. – are working on improved activated carbons or devices where one electrode functions as a battery and the other as an ultracapacitor. 12. I read an article describing a way how to grow vertically aligned carbon nanotubes on a flat surface. 13. When not actively using the device you might have the buttons display general information such as system status with free memory or the time in any city. 14. Shockley calculated that the effect achieved was some 1500 times smaller than his theory predicted. 15. The system implied solutions based on optical fibers and radio links with a capacity of 24 channels to 23 destinations.

Смотрите также файлы

Криминалистика.docx

игра в классики.doc

Саба таырыбы Кірістірілген шарттарды бадарламалау.doc

Математика 5сынып.docx

Бизнес план.docx

Файл: Сибирский государственный университет телекоммуникаций и информатики.doc

XI. Find the Infinitives in the text and define their functions.

XII. Find the sentences with the Complex Object and the Complex Subject in the text.

XIII. Read the text again and answer the questions.

What types of displays are used by a digital multimeter?

Why are LCDs and LEDs so popular today?

What is optoelectronics?

Which devices use LCD?

What is an alphanumeric display?

What type of LCD is called a field-effect LCD?

When is it better to use analogue displays?

What is the work of LCD based on?

Compare the advantages and disadvantages of analogue and digital watches with respect to ease of use and other factors.

State two advantages of a liquid crystal display compared with a light-emitting diode display.