T opical vocabulary

1. apart отдельно, порознь

2. remote access дистанционный доступ, выборка

3. single cable network однокабельная сеть

4. loop network разветвленная сеть

5. dedicated line специализированная линия

6. dialed line автоматическая линия, соединенная с

компьютером когда требуется

7. acoustic coupler акустический коммутатор

8. plug вставлять штепсель (программная

вставка)

9. fibre-optic cable оптоволоконный кабель

10. strand прядь, стренга

11. baud бод (единица скорости передачи

информации)

12. aerial антенна

13. amplify расширять, усиливать

14. wave волна

Exercises

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

• What is meant by the word ‘terminal’? What types of terminal do you know?

• Can you explain the meaning of the abbreviations LAN and WAN? Give the answer.

• What device is used to connect a computer to a telephone line?

• Is there any difference between dedicated and dialed line?

• Is using telephone lines the only way of transmitting data? If not, name other means.

• Which type of cable allows data to be transmitted as pulses of light?

• 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…

• Dialed line, dedicated line

• Analogue signal, digital signal

• Local Area Network, Wide Area Network

• Ordinary telephone cable, fibre-obtics cable

• Microwave radio link, satellite link

• Input device, output device

• Impact printer, non-impact printer