1. Ian Gover Education Technology Adviser Somerset County Council Logic and Logic Gates

2. Does a computer think?

3. 2 + 2 = ?

4. Using Logic to search Load Google and search for One Record the number of sites that you found Now search for Direction Record the number of site you find Now search for One Direction Record the number of sites you find Which search will enable you to find the best result

5. Using Logic to search One AND Direction was a better search to find the information that we wanted This time try this exacl:ly One Direction –Harry Styles You should only get the websites that mention One Direction but NOT Harry Styles in their text

6. The Logic Gate Nightclub?

7. AND

8. The Logic Gate Nightclub? OR

9. The Logic Gate Nightclub? NOT

10. The Logic Gate Nightclub? AND 0 0 0 1 1 1 1 0 0 1

11. The Logic Gate Nightclub? OR 0 0 0 1 1 1 1 0 0 1

12. The Logic Gate Nightclub? NOT 0 1 0 1

13. The AND Gate truth table Input Output 00 01 10 11

14. The AND Gate truth table Input Output 000 01 10 11

15. The AND Gate truth table Input Output 000 010 10 11

16. The AND Gate truth table Input Output 000 010 100 11

17. The AND Gate truth table Input Output 000 010 100 111

18. The OR Gate truth table Input Output 00 01 10 11

19. The OR Gate truth table Input Output 000 01 10 11

20. The OR Gate truth table Input Output 000 011 10 11

21. The OR Gate truth table Input Output 000 011 101 11

22. The OR Gate truth table Input Output 000 011 101 111

23. The NOT Gate truth table InputOutput 0 1

24. The NOT Gate truth table InputOutput 01 1

25. The NOT Gate truth table InputOutput 01 10

26. Adding two binary digits together Input AInput BOutput 000 011 101 1110

27. The Half Adder

28. The Truth Table ABCDEFG 00 01 10 11

29. The Half Adder 0 0 0 0 0 00 1 0

30. The Truth Table ABCDEFG 0000100 01 10 11

31. The Half Adder 0 1 1 1 0 0 0 1 1

32. The Truth Table ABCDEFG 0000100 0110101 10 11

33. The Half Adder 1 0 1 0 1 0 0 1 1

34. The Truth Table ABCDEFG 0000100 0110101 10101 11

35. The Half Adder 1 1 1 1 1 11 0 0

36. The Truth Table ABCDEFG 0000100 0110101 10101 1111010

37. Does a computer think? No It is just very cleverly programmed by humans