- •Unit I Programming languages Words and expressions to be remembered:
- •Exercise 1
- •Read and translate the text
- •History of programming languages
- •Text II Words and word combinations to be learnt:
- •Programming languages
- •Glossary
- •Computer programming
- •Programming languages
- •Fortran IV
- •2. Pascal
- •3. Rpg II Programming language
- •1. Running the computer program
- •2. The conversion of symbolic languages
- •3. Testing the computer program
- •Unit II Operational systems
- •Unit III Radio waves
- •Radio waves
- •In the picture you can see the way that original sound passes before it becomes reproduced sound. Describe this way in your own words.
- •Brief history of the radio
- •Uses of radio
- •Unit IV Frequency converters
- •Frequency converters
- •Am broadcast radio and fm broadcast radio
- •Unit V Amplifiers
- •Amplifiers
- •Unit VI Feeders
- •Altitudinal Meteorological Mast (amm)
- •Unit VII Computer crimes
- •Computer crimes
- •Computer crimes – cyberterrorism, hacking
- •What is “Firewall?”
- •Text 3 Are Wireless Networks Secure?
- •Unit VIII
- •Viruses
- •Text 1 Computer viruses
- •Text 2 Anti-virus software and other preventative countermeasures
- •Unit IX Mobile phones and sms
- •What is sms?
- •How do you send and receive messages?
- •The future of mobile phones
- •Why people use mobile phones
- •Help always at hand: a mobile is a girl’s best friend
- •Unit X smart stuff
- •Smart stuff
- •Insert the missing information into the sentences
- •Is technology always best?
- •Unit 11
- •Internet
- •What exactly is the Internet?
- •What is cyberspace?
- •How did it begin?
- •The Internet can be divided into five broad areas:
- •Electronic mail
- •Information sites
- •The World Wide Web
- •4. Usenet
- •5. Telnet
- •Supplementary reading
- •Bluetooth
- •What is in a name? (the history of Bluetooth)
- •Sic (Special Interest Croup)
- •Used frequencies
- •Bluetooth ability
- •How is connection established?
- •Discoverable mode
- •Limited discoverable mode
- •Protection technology
- •Digital house
- •Text 5 the language of e-mail
- •1. Basic protocols in Internet and search in them
- •Tools of search in www
- •2. Tools of search
- •2.1 Thematic catalogues
- •Magellan
- •Virtual Library
- •Russia-On-Line Subject Guide
- •2.2. Automatic indexes
- •Alta Vista
- •Info seek
- •WebCrawler
- •Glossary
Unit 11
Internet
EXERCISE 1
Read and translate the text using the following words and word combinations:
World Wide Web — «Всемирная Паутина»
to retrieve — извлекать
variety — разнообразие, спектр
recreation — развлечение
network — сеть
to share — делить
humanities — гуманитарные науки
business transactions — коммерческие операции
access — доступ
to browse [brauz] — рассматривать, разглядывать
browser [brauza] — браузер (программа поиска информации)
to provide — обеспечивать (чем-либо)
provider — провайдер (компания, предоставляющая доступ к WWW через
местные телефонные сети)
broadcast live — передавать в прямом эфире
site — страница, сайт
to link — соединять
hyperlink ['haipa'hrjk] — гиперссылка
to compete [kam'pi:t] — соревноваться
Millions of people around the world use the Internet to search for and retrieve information on all sorts of topics in a wide variety of areas including the arts, business, government, humanities, news, politics and recreation. People communicate through electronic mail (e-mail), discussion groups, chat channels and other means of informational exchange. They share information and make commercial and business transactions. All this activity is possible because tens of thousands of networks are connected to the Internet and exchange information in the same basic ways.
The World Wide Web (WWW) is a part of the Internet. But it's not a collection of networks. Rather, it is information that is connected or linked together like a web. You access this information through one interface or tool called a Web browser. The number of resources and services that are part of the World Wide Web is growing extremely fast. In 1996 there were more than 20 million users of the WWW, and more than half the information that is transferred across the Internet is accessed through the WWW. By using a computer terminal (hardware) connected to a network that is a part of the Internet, and by using a program (software) to browse or retrieve information that is a part of the World Wide Web, the people connected to the Internet and World Wide Web through the local providers have access to a variety of information. Each browser provides a graphical interface. You move from place to place, from site to site on the Web by using a mouse to click on a portion of text, icon or region of a map. These items are called hyperlinks or links. Each link you select represents a document, an image, a video clip or an audio file somewhere on the Internet. The user doesn't need to know where it is, the browser follows the link.
All sorts of things are available on the WWW. One can use Internet f or/recreational purposes. Many TV and radio stations broadcast live on the WWW. Essentially, if something can be put into digital format and stored in a computer, then it's available on the WWW. You can even visit museums, gardens, cities throughout the world, learn foreign languages and meet new friends. And, of course, you can play computer games through WWW, competing with partners from other countries and continents.
Just a little bit of exploring the World Wide Web will show you what a lot of use and fun it is.
EXERCISE 2
Answer the questions according to the sense of the text
1) What is Internet used for?
2) Why so many activities such as e-mail and business transactions are possible through the Internet?
3) What is World Wide Web?
4) What is Web browser?
5) What does a user need to have an access to the WWW?
6) What are hyperlinks?
7) What resources are available on the WWW?
8) What are the basic recreational applications of WWW?
EXERCISE 3
Look through the text and decide whether the following statements are true or false. If you think a statement is false, change it to make it true.
1) There are still not so many users of the Internet.
2) There is information on all sorts of topics on the Internet, including education and weather forecasts.
3) People can communicate through e-mail and chat programs only.
4) Internet is tens of thousands of networks which exchange the information in the same basic way.
5) You can access information available on the World Wide Web through the Web browser.
6) You need a computer (hardware) and a special program (software) to be a WWW user.
7) You move from site to site by clicking on a portion of text only.
8) Every time the user wants to move somewhere on the web he/she needs to step by step enter links and addresses.
9) Films and pictures are not available on the Internet.
10) Radio and TV-broadcasting is a future of Internet. They're not available yet.
EXERCISE 4
Give the definition to the following using the vocabulary:
1) Internet
2) World Wide Web
3) Web browser
4) Internet provider
5) Hyperlinks
EXERCISE 5
Find the equivalents:
1) Чрезвычайно быстро растёт объем ресурсов и услуг, которые являются частью WWW.
2) Каждый выбранный вами документ, ссылка, представляет графическое изображение, видеоклип или аудио файл где-то в Интернет.
3) Интернет может быть также использован для развлечения.
4) Через интерфейс или инструмент, который называется веббраузер, можно получить доступ к ресурсам Интернет.
5) Десятки тысяч компьютерных сетей, подключенных к Интернету и обменивающихся информацией в одном режиме, дают возможность этой деятельности.
6) Через электронную почту, дискуссионные группы, чэт-каналы (многоканальный разговор в реальном времени) и другие средства информационного обмена возможно общение пользователей.
EXERCISE 6
Put the word from the box into the necessary sentence and translate the whole one
web browser providers link WWW |
1) The user doesn't need to know where the site is, the... follows the...
2) People connected to the WWW through the local... have access to a variety of information.
3) You access the information through one interface or tool called a. . .
4) In 1996 there were more than 20 million users of the...
5) Local . . . charge money for their services to access . . . resources.
6) Each... provides a graphical interface.
EXERCISE 7
Discuss in group the following questions:
1) Some people think that Internet is very harmful, especially for young people, because it carries a lot of information about sex, drugs, violence and terrorism. Do you think that some kind of censorship is necessary on the WWW?
2) World famous authors and publishers say that the Internet violates their copyright because Web-programmers put all kinds of books, pictures, music, films and programs free on the Internet and this reduces their sales and profits.
3) Has anyone in your group experience working on the Internet? Ask them 1) about the difficulties they had; 2) useful information retrieved; 3) fun they got? Why so few people have experience working on the Internet?
EXERCISE 8
Read the article. Find the answers to the questions:
According to the article, how many people use the Internet, and how many computers are linked into it?
What is the term cyberspace used to describe?
When did the idea of the Internet begin?
What is the name given to the traditional system of sending mail?
On which network can you visit a museum, go shopping, and view a hotel’s facilities?
Do users of Newsgroups have to pay to subscribe to them?