Г. В. Царева

• Название: Г. В. Царева
• Дата: 31.10.2022
• Размер: 1.52 Mb.
• Имя файла: UP_Tsareva_2021.doc
• Тип: Учебное пособие; #763711
• страница: 23 из 33

TOPICAL VOCABULARY

apart	отдельно, порознь
remote access	дистанционный доступ, выборка
single cable network	однокабельная сеть
loop network	разветвленная сеть
dedicated line	специализированная линия
dialed line	автоматическая линия, соединенная с компьютером, когда требуется
acoustic coupler	акустический коммутатор
plug	вставлять штепсель (программная вставка)
fibre-optic cable	оптоволоконный кабель
strand	прядь, стренга
baud	бод (единица скорости передачи информации)
aerial	антенна
amplify	расширять, усиливать
wave	волна

EXERCISES

1. 
   Read the introductory text and answer the following questions.
   

1. 
   What is meant by the word ‘terminal’? What types of terminal do you know?
   
2. 
   Can you explain the meaning of the abbreviations LAN and WAN? Give the answer.
   
3. 
   What device is used to connect a computer to a telephone line?
   
4. 
   Is there any difference between dedicated and dialed line?
   
5. 
   Is using telephone lines the only way of transmitting data? If not, name other means.
   
6. 
   Which type of cable allows data to be transmitted as pulses of light?
   
7. 
   How can you express the key idea of the text?
   

2. Complete the tables.

Table 1

Terminal	Components	Features
Teletype
VDU
Graphics

Table 2

Datacomm system

Components	Functions
1. Network
2. LAN
3. WAN
4. Modem
5. Fibre-obtics cable
6. Microwave radio
7. Communications satellite

3. Compare some things given below showing their similarity and contrast. Use the following expressions:

Like ____	Both ____
Unlike ____	____ is different to ____
In comparison with ____	____, whereas ____
In contrast to ____	____ is similar to ____

1. 
   Dialed line, dedicated line
   
2. 
   Analogue signal, digital signal
   
3. 
   Local Area Network, Wide Area Network
   
4. 
   Ordinary telephone cable, fibre-obtics cable
   
5. 
   Microwave radio link, satellite link
   
6. 
   Input device, output device
   
7. 
   Impact printer, non-impact printer
   

4. Look at the words and phrases in the box. Would you associate them with e-mail, the Internet or both? If there any words you don’t know, find someone in the class who can explain them to you.


Server, log on, search engine, hyperlink, home page, bookmark, attachment, graphics, online, inbox, chat room, newsgroup



Work with a partner. Choose three of the words from the box and write definitions for them. Close your books and exchange your definitions with another pair of students. Can you remember the terms?
5. Read the text and do the tasks given below.