Question

3 Read the text again and answer the questions.
1 What type of broadcasting uses radio waves?
2 What problems were there with this system?
3 What is binary code?
4 How can TVs receive digital information?
Name four routes.
5 Does a decoder have to be inside a TV?
Explain your answer.
6 What's the difference between an HDTV and

a standard TV?

Answer 1

Ответ:

1)The system of broadcasting was analogue

2)The quality of the pictures was sometimes poor because of interference

3)This is a computer language which only consists of zeros and ones

4)An aerial,a cable,a satellite dish,or broadband.

5)Decoders are either inside a TV or computer,or in a separate box which is connected to it

6)Picture quality is even better in high definition TV than on a standard TV