E i T- powtórka/teksty techniczne

1. Three generations of computers

2. Main problems of the first generation of electronic computers

3. The significance of the invention of a transistor

4. Static electricity

5. The main difference between primary and secondary cells. Give examples of both 6. The block diagram of a battery charger.

7. The function of a stabilizing circuit/smoothing circuit

8. Radio waves: three kinds

9. The block diagram of a radio

10. The function of a demodulator

11. The role of alarm systems

12. Radar

13. The three basic stages of every alarm system

14. Detection devices

15. The functions that can make a simple alarm system work more effectively 16. Circuit components

17. Digital and analogue signals-differences

18. Digital circuits – advantages and disadvantages

19. Sampling

20. Telecommunications - types of wires

21. Telecommunications – brief history

22. Cellphones - system, the role of each element

23. Television set – the main elements of a TV picture

24. Mobile phone – the main elements and their function

25. Integrated circuits – types, scale of integration

26. Wi – Fi : advantages and disadvantages, limitations