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Comprehension

1. Tell what sentences are true and what are false.

1) Rating of a particular service over another is quite objective. 2) Users want to change their ‘home’ online service to more convenient one. 3) Very often users don’t want to see the advantages of another service. 4) The service that has what you want and is easy for you to use, is considered to be the best one. 5) We needn’t use more than one service to find everything we need. 6) A modem can convert incoming analog signals back into digital signals. 7) A cluster controller may act as a translator between incompatible networks, protocols, or software.

2. Choose the right answer:

1) What is the attitude of users to their ‘home’ online service?

a) they tend to change the best one;

b) they tend to be loyal;

c) they don’t care.

2) What should be taken into consideration while choosing a service?

a) you should know what the service offers and how it meets your needs;

b) you should know which online is ‘best’;

c) you should know the advantages of a specific service.

3) Can one online service satisfy all our needs?

a) most of us have to be loyal to our ‘home’ online service;

b) most of us have to prevent ourselves from seeing the advantages of a specific service;

c) we should go to more than one service to find everything we need.

4) How does an acoustic coupler operate?

a) it combines the electrical signals in dataframes for transmission on a single high-speed line;

b) it converts the electrical signals from the computer into a coded sound signal;

c) it coverts a digital bit stream into an analog signal.

5) How does a cluster controller operate?

a) it converts incoming analog signals back into digital signals.

b) it operates as a translator between incompatible networks;

c) it controls several terminals in one location, connecting each of them to a modem.

6) How does a gateway operate?

a) it separates dataframes;

b) it interconnects two or more networks;

c) it works as a modem.

3. Complete the sentences:

1) The users tend to judge … . 2) Each online service offers … . 3) The best online service is … . 4) Keep an open mind when … . 5) Most of us have to go to more than one service to … . 6) A modem can … . 7) A multiplexor receives … .

4. Answer the questions:

1) Why is the question about the ‘best’ online service rather debatable? 2) Why do users tend to be loyal to their ‘home’ online service? 3) What must you take into account when checking out an online service? 4) Why should we go to more than one service? 5) What devices of data transmission do you know? 6) How does a modem operate? 7) How does a multiplexor operate? What device may act as a translator between incompatible networks?

5. Find as quickly as possible and read out the sentences containing the following important information:

  • the best online service;

  • Data Transmission.

*6. Try to tell the gist of the text.

Word Study

1. Give Ukrainian equivalents of the following.

Available for download, online service, to be superior, a couple of sessions, to convert electrical signals, to work as a modem, a digital bit stream, telephone circuit, a cluster controller, terminals in one location, a shared line basis, multiple signals, to combine in dataframes , to enable data transfers.

2. Give English equivalents of the following.

Змінити на більш зручну (послугу), переваги послуги, особисті потреби і вподобання, різні судження, бути легким у використанні, бути взаємопов’язаним, передача даних, перетворювати електросигнали на закодовані звукові (сигнали), мікрофон телефону, аналоговий сигнал, перетворювати вхідні сигнали, отримувати множинні сигнали, високошвидкісна лінія, несумісне програмне забезпечення.

3. Match the words in A with their synonyms in B:

A B

many every

people personal

particular interconnected

number a lot of

individual men

usually certain

to see to desire

each quantity

to offer to watch

to want as a rule

interlinked to suggest

4. Fill in the gaps with the words from Vocabulary Notes in the appropriate form.

Dataframe / multiplexor / gateway / modem / telephone circuit / signal

1) A modulator-demodulator, called a …., is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. 2) The goal of a modem is to produce a …. that can be transmitted easily and decoded to reproduce the original digital data. 3) In telecommunications, a …. is a device that combines several input information signals into one output signal, which carries several communication channels, by means of some multiplex technique. 4) A single-user circuit on a telephone communication system is called a … . 5) The activities of a …. are more complex than that of the router or switch as it communicates using more than one protocol and can operate at any network layer. 6) A …. may be used to drive the creation of new content, applications, or infrastructure enhancements.

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