FACES OF THE INTERNET PROFESSIONAL ENGLISH IN USE FOR COMPUTER

 

PROFESSIONAL ENGLISH IN USE FOR COMPUTER 21.FACES OF THE INTERNET

 

A What the internet is The internet is an international computer Network made up of thousands of networks linked together. All these computers communicate with one another; they share data, resources, transfer information, etc. to do it they need to use the same language or protocol: TCP/IP (Transmission Control Protocol/ Internet Protocol) and every computer is given an address or IP number. This number is a way to identify the computer on the internet. B Getting connected To use the internet you basically need a computer, the right connection software and a modem to connect your computer to a telephone line then access your ISP (Internet Service Provider). The modem (modulator-demodulator) converts the digital signals stored in the computer into analogue signals that can be transmitted over telephone lines. There are two basic types: external with a cable that is plugged into the computer via a USB port, and internal, an expansion card inside the computer. A PC card modem is a different, more versatile option for laptops and mobile phones. C Components of the internet The Internet consists of many systems that offer different facilities to users. WWW, the World Wide Web, a collection of files or pages containing links to other documents on the Net. It’s by far the most popular system. Most Internet services are now integrated on the Web. EXERCISES 21.1 Read as and B opposite and decide if these sentences are true or false. If they are false, correct them. 1 The Internet and the World Wide Web are synonyms. 2 Computers need to use the same protocol (TCP/IP) to communicate with each other. 3 Web TV can provide access to the Net. 21.2 What Internet system from C opposite should these people use? 1 ‘I like receiving daily updates and headlines from newspapers on my computer.’ 2 ‘I’m doing some research and need computer access to the University library.’ 3 ‘I’d like to avoid flying to Japan to attend the meeting but I want to see what’s going on there.’ 21.3 Choose the correct alternatives to complete this newspaper article. Sharing your broadband connection with your neighbours is either the best way of making friends or the fastest way to lose them. Thanks to new European legislation, (1) modem/wireless/telephone technology and a firm called MyZones, several households within 300 metres of each

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