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IX. Read the text and find the answers to the questions below.

1. What is used to transmit information between different computer systems?

2. What stages should data pass to get to a destination computer?

3. When can be a file completely reconstructed on the way to a distant computer?

4. What is TCP?

5. What is the difference between TCP and IP?

X. In each passage find the sentences revealing the main idea.

XI. Compress these sentences by deleting extra information. Give a short summary of the text using these compressed sentences.

XII. Translate passage 3 into Russian.

Итоговый тест

I. Выберите предложение(я), в которых that употребляется в функции союзного слова.

  1. That same year Skype also became the foundation of the social network Facebook's video chat service.

  2. Because of the digital nature of VoIP, call quality is normally much higher than that of a standard telephone.

  3. Another advantage is that VoIP frequently costs less than standard telephone and long-distance service.

  4. Wireless-enabled devices are able to connect to the Internet when they are near areas that have Wi-Fi access.

II. Выберите подходящее по форме и значению слово.

5. The device is rather cheap, but … and that’s the reason for its popularity.

a) rely

b) reliability

c) reliable

d) unreliable

  1. Infra-red computer connection is a type of connection that allows data to be … transmitted from one device directly to another device when the infra-red windows of both devices are lined up.

    a) wire

    b) wireless

    c) wired

    d) wirelessly

  2. A … device – is a piece of equipment on which you can record your data for later retrieval.

    a) store

    b) storage

    c) stored

    d) restore

  3. As your ... we will provide you with the necessary safety equipment to avoid accidents in the workplace.

a) employ

b) employers

c) employees

d) unemployed

III. Каждому из предложений в левой колонке найдите подходящее по смыслу слово в колонке справа.

9. The electronic signals ___are transmitted can be either analogue or digital.

10. Only ___ the encoded signal is made suitable, it can be transmitted by modulation onto a carrier wave.

11. Action and reaction are never spoken of as balanced forces ___ they don’t act on the same body.

12. ___ you start carrying out the experiment immediately, ___ I shall dismiss you!

a) since

b) after

c) that

d) or

e) either

f) but

IV. Назовите слово, близкое по значению данному.

13.

demand

a) provide

b) require

c) supply

d) transfer

14.

numerous

a) vast

b) typical

c) common

d) single

15.

comparatively

a) relatively

b) possibly

c) nearly

d) necessary

16.

ensure

a) relate

b) supply

c) transmit

d) guarantee