G azərbaycan respublikasi təHSİl naziRLİYİ azərbaycan texniKİ universiteti M. M. QƏNDİLova e. Q. İsmayilova

Key Words and Phrases:
stationary object moving object

rapid device

photoelectric cell electric tube

amplify (v) obtain(v)

print (n) shine(v)

scan (v) sensitive

spot (n) carry out (v)

advantage belong to (v)

I. Answer the following questions:

1. 
   Where does the word “television” come from?
   
2. 
   Has the progress of television been rapid?
   
3. 
   For what purpose is the photoelectric cell used?
   
4. 
   What causes the flow of electric current in the photoelectric cell?
   
5. 
   What is the process of scanning?
   
6. 
   What is the fundamental method of sending pictures by television?
   
7. 
   Why must the process of transmitting pictures be carried out rapidly?
   
8. 
   When was first color television demonstrated?
   
9. 
   Do you have any idea about plasma TV?
   
10. 
    What is the most popular TV producing company in the world?