TASK 1.

 Read the definitions below and match them with the 

inventions.

1. a global system of computer networks (systems of communication between several computers) which consists of millions of private, public, business and government networks.

the Internet

the computer

the telephone

television

radio

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2. a  telecommunication  device for speaking to someone which sends an electric signal (sound) along a wire to a similar device.

the Internet

the computer

the telephone

television

radio

Block not passed

 3. the most widely used means of telecommunication which sends and receives pictures together with sound.

the Internet

the computer

the telephone

television

radio

Block not passed

4.  a means of communication which is based on sending and receiving sounds using electromagnetic waves instead of wires.

the Internet

the computer

the telephone

television

radio

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5. a telecommunication device which operates using radio signals and can be freely moved from one place to another and used in cars, trains, etc.


the Internet

the computer

the telephone

television

radio

Block not passed
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