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НазваниеУчебное пособие предназначено для бакалавров всех специальностей и направлений подготовки радиотехнического факультета. В нем представлены материалы для аудиторной и самостоятельной работы
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UNIT 7


Task 1. Study new words and word combinations.

1

equipment

[ɪ'kwɪpmənt]

оборудование

2

CPU/processor




процессор

3

memory/storage

['stɔːrɪʤ]

память, запоминающее устройство, хранение

4

peripherals


[pə'rɪfərəl]

периферийные устройства

5

input device




устройство ввода

6

output device




устройство вывода

7

supply

[sə'plaɪ]

поставлять

8

display

[dɪs'pleɪ]

показывать, демонстрировать

9

permanent

['pɜːmənənt]

долговременный

10

keyboard

['kiːbɔːd]

клавиатура

11

hardware

['hɑːdwɛə]

аппаратное обеспечение

12

software

['sɔftwɛə]

программное обеспечение

13

accurate

['ækjərət]

точный

14

decision

[dɪ'sɪʒn]

решение

15

multiplication

[mʌltɪplɪ'keɪʃən]

умножение

16

division

[dɪ'vɪʒən]

деление

17

subtraction

[səb'trækʃən]

вычитание

18

addition

[ə'dɪʃən]

сложение

19

perform

[pə'fɔːm]

выполнять

20

user

['juːzə]

пользователь

21

communicate

[kə'mjuːnɪkeɪt]

общаться

22

procedure

[prə'siːʤə]

процедура, операция

23

process

['prəuses]

обрабатывать

24

store

[stɔː]

хранить

25

digital

['dɪʤɪtəl]

цифровой

26

program




программа (компьютерная)


TASK 2. Give English equivalents of the words in brackets. Translate the sentences into Russian.

1. Computers can … (выполнять) a variety of tasks. 2. He’s written a piece of … (программное обеспечение). 3. The … (устройства ввода. for the CD-ROM are at the back of the computer. 4. An input device … (поставляет) information into the computer. 5. The text can be … (продемонстрирован) and edited on screen. 6. We can now … (общаться) instantly with people on the other side of the world. 7. A … (клавиатура) is an obligatory part of any computer. 8. The CPU is another name of the … (процессора). 9. A mouse is a special … (устройство ввода). 10. Input and output devices are … (периферийные устройства). 11. Input units are means of communication between the computer and the … (пользователем). 12. The result of … (сложения) is known as a sum. 13. We must perform … (умножение) before addition. 14. CD-ROM disks are for the … (долговременного) storage of information.
TASK 3. Translate the following word combinations from English into Russian and make up some sentences with them: electronic machines, arithmetic operations, logical problems, pieces of equipment, computer system, the most important item, electronic unit, Central Processing Unit, permanent storage of information.


TASK 4. Match the synonyms.

1) to supply

2) accurate

3) to perform

4) to communicate

5) equipment

6) to display

7) permanent




1) device

2) to carry out

3) to provide

4) to show

5) exact

6) prolonged, constant

7) to contact

TASK 5. Translate the following sentences paying attention to the forms and functions of the Participles.

1. The students testing the device study at our department. 2. The man switching off the computer works at our laboratory. 3. I thought about the question discussed at the seminar. 4. The journal taken from the library by my friend is very helpful. 5. The experiment done by the students helped them to understand this problem better. 6. This operating computer was made in the USA. 7. Translating the article I did not consult the dictionary. 8. Preparing a computer program we translate ordinary business data into machine languages. 9. While studying computer systems it is necessary to distinguish between computers and calculators. 10. While solving this problem I paid much attention to the correct computation. 11. Cybernetics is applied in various branches of industry and research. 12. The computer is testing its basic units now. 13. The students were discussing the advantages of high level languages when the teacher came. 14. The lecture was followed by a discussion.
TASK 6. Define the part of speech and the function of the words with -ed ending in the following sentences.

1. He described the method used by this engineer. 2. The engineer used the method described in this journal. 3. The programming languages discussed attracted attention of many users. 4. New methods used in programming were discussed at the seminar.
TASK 7. Mind the use of the Participle in the pairs of the following sentences. Translate them into Russian.

Model: 1. Great plants equipped with modern machinery produce computers. – Огромныезаводы, оборудованныесовременнойтехникой, производяткомпьютеры. 2. Great plants producing computers are equipped with modern machinery. – Огромныезаводы, производящиекомпьютеры, оборудованысовременнойтехникой.

1. Machines called computers make complicated calculations. Machines making complicated calculations are called computers. 2. The book written by our scientists describes new inventions. The book describing new inventions was written by our scientists. 3. Our laboratory equipped with modern devices works on new projects. Our laboratory working on new projects is equipped with modern devices. 4. Microcomputers invented in the 1970s help much in research work. Microcomputers helping much in research work were invented in the 1970s.
TASK 8. Find the participles in the text “Computers today” and translate the sentences.
TASK 9. Read the text and find the answers to the following questions.

1. What are computers? 2. What operations do computers perform? 3. A computer doesn’t think, does it? 4. Is a computer a simple electronic machine? Why/why not? 5. Modern computers operate quickly and accurately, don’t they? 6. What is software? 7. What is hardware? 8. Is the processor or a monitor the most important item of a computer? 9. In what way do terms data and information differ? 10. What does a processor do? 11. What does the main memory store? 12. What peripherals do you know? 13. Does an input device supply information into the computer? 14. What kind of devices are monitors, printers and scanners?
COMPUTERS TODAY

Computers are electronic machines. They communicate with the user, perform different kinds of arithmetic operations, such as addition, subtraction, division and multiplication, solve a series of logical problems and make thousands of logical decisions. Modern computers operate quickly and accurately. However, they don‘t think.

Every computer system consists of software, hardware, procedures and data/information. Information in the form of programs and data is called software, but the pieces of equipment that make up the computer system are known as hardware. Without software instructions, the hardware doesn‘t know what to do. The basic job of the computer is the processing of information. Computer is used to convert data into information. It is also used to store information in the digital form.

The most important item of hardware is the CPU (Central Processing Unit). This is the electronic unit at the centre of the computer system. The brain of the computer is the processor. It does all the processing and controls all the devices in the computer system. The main memory stores all the programs and data used by the processor.

All the other devices in the computer system are known as peripherals. These include input devices, output devices and storage devices. An input device supplies information into the computer. The most commonly used input device is a keyboard. An output device such as a monitor or a printer displays the processed data. A storage device is used for the permanent storage of information on floppy discs or CD-ROM discs.
TASK 10. Cross out the odd word.

a) processor, main memory, software

b) input device, data, storage device

c) monitor, floppy disc, printer

d) hardware, program, data
TASK 11. Decide whether the sentences are true or false.

1. Computer is made of electronic components so it is referred to as electronic device. 2. Computer has no intelligence until software is loaded. 3. There are four elements of computer system: hardware, software, diskettes and data. 4. Without software instructions hardware doesn’t know what to do. 5. The software is the most important component because it is made by people. 6. The user inputs data into computer to get information as an output.
TASK 12. Fill in the gaps with the necessary information.

Computers are complex electronic machines. They perform arithmetic … such as …, …, …, … and make thousands of logical … . All modern computers … quickly and … . Computers consist of software and … . Software includes … and data. Hardware contains the Central … Unit and the peripherals. The processor is the … of the computer. It … all the processing. The … memory … all the programs and data used by the … . An input device … information into the … . An output device … the processed data. A … device is used for the … storage of information.
TASK 13. Retell the text in the written form.

Some scientists say that without the computer the 21st century would be impossible.

Computers today are running our factories, planning our cities, teaching our children and forecasting our future. The computer solves in seconds the problems a generation of mathematicians would need months or years to solve without its help.

The degree to which computers will take over human functions may frighten some people and astonish others. If we are to believe some forecasts, computers, like the telephone or electricity, may become a common thing of every day used by almost everybody.

They can even enter our home life. They can help make up a person‘s shopping list, remind someone of important appointments and anniversaries and answer the telephone.

We often hear that the increasing flood of information will be one of the problems of the 21st century. A computer may help solve it too. In a computerized library of the future requests for information will be answered instantly and as fully as the user wants.

It’s hard to enumerate all the uses the computer may be put to.


TASK 14. Choose the correct word.

1. A personal computer is a small relatively inexpensive device designed for an individual … a) person; b) producer; c) user. 2. Input in PC is usually performed by means of a …. a) mouse; b) scanner; c) keyboard. 3. A personal computer uses … disks as input and output media. a) hard; b) fixed; c) floppy; 4. Personal computers have a lot of scientific, engineering, educational …. a) multiplication; b) application; c) investigation. 5. Microelectronics greatly extended man‘s intellectual …. a) subsystems; b) dimensions; c) capabilities. 6. The first generation computers were … and often burned out. a) uncomfortable; b) unreliable; c) uncommunicative. 7. The development of third generation computers became possible due to the invention of …. a) integrated circuits; b) electronic tubes; c) transistors. 8. A computer can solve very complex numerical …. a) computations; b) communication; c) instructions. 9. Magnetic … were the main elements used for primary memory in digital computers for many years. a) cores; b) disks; c) tapes. 10. Input-output devices allow the computer to … with its external environment. a) compute; b) command; c) communicate.
TASK 15. Listen to the first part of the recording and fill in the gaps. Use no more than THREE WORDS.

According to the diagram, there are two parts in a computer system: 1) … and 2) …. Programs that let your computer to 3) … a specific task are called software. Software comprises the 4) … and application software. Electronic or 5) … parts are called hardware. There are three main hardware sections which include the 6) …, the 7) …, and the peripherals.
Listen to the second part of the recording and decide whether the sentences below are true or false. Make the false sentences true.

1. The main memory is a special chip which executes instructions and coordinates the work of all the components in a computer system. 2. Expansion cards for video, sound and networking make your computer work better. 3. All the instructions and data which are being processed now by the main memory are held in the CPU. 4. ROM and RAM chips are used to comprise main memory. 5. ROM is a volatile type of memory, i.e. all the information is lost when the computer is turned off. 6. The units which are attached to the computer are called peripheral devices. 7. Peripheral devices are storage devices, input and output devices. 8. We use input devices help us extract data from the computer. 9. Hard disks, DVDs and flash drives are examples of storage devices.
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