1. Starter Write down 3 things you can remember about the EM spectrum

3. Digital & Analogue Signals

6. Digital signals are like a normal light switch (on or off) Analogue signals are like dimmer switches (they can take any value)

7. Interference

8. We sometimes call this noise

9. Quick Quiz

10. 1. Am I Digital or Analogue?

11. 2. Am I Digital or Analogue?

12. 3. Am I Digital or Analogue? 1, 1,0,0,1,1,1,1,1,1,1,0,1,0,

13. 4. Am I Digital or Analogue?

14. 5. Am I Digital or Analogue?

15. 6. Am I Digital or Analogue?

16. 7. Am I Digital or Analogue?

17. 8. Am I Digital or Analogue?

18. The EM spectrum (Uses)