1. Introduction to Logic diagrams and truth tables

2. Starter In pairs answer these questions What does Boolean mean?
Can you think of different sensors?
Why would use a not gate with a light sensor?

3. Learning Objectives
We are learning to use Logic diagrams and truth tables.
Learning Outcomes
All – Not, And, Or Gates
Most-NAnd, NOr and Xor
Some - able to draw diagram using gate symbols.

4. And Gate

5. Or Gate

6. Not Gate

7. Have a go
See the diagrams that have been sent and you have a go.

8. AND gate Input A Input B Output (Q) 1
Produces an output only if both inputs are on
Input A
Input B
Output (Q) 1

9. OR Gate Input A Input B Output (Q) 1
Produces an output when one or the other input are active….
Input A
Input B
Output (Q) 1

10. NOT Gate Input (A) Output (Q) 1 A NOT gate inverts its input1
could play the opposite game?

11. Some Fun
Questions.
Logic Lab
Or Logic

12. Explain possible use
Fire Alarm.
Outside light
Any others?

13. Nand

14. Nor

15. Xor (Exor)

16. Have a go
See the diagrams that have been sent and you have a go.

17. NOT AND = NAND
Input A
Input B
A.B
Output (Q)=A.B 1

18. NOT OR = NOR
Input A
Input B
A+B
Output (Q) A+B 1

19. XOR – Exclusive OR
Input A
Input B
Output (Q) 1

20. Truth table video
Go through gates

21. Plenary
Review Not, And, Or Review NAnd, Nor, Xor

22. Main Task
Complete the Sheets Make sure this is completed for Prep