1. Gary Plimer 20005 Higher Technological Studies Applied Electronics (Outcome 3) G. Plimer 2005

2. Gary Plimer 20005 Applied Electronics (outcome 3)  NOT  AND  OR A Z 01 10 A B Z 0 0 1 1 0 1 0 1 0 0 0 1 0 1 1 1 0 1 0 1 0 0 1 1 A B Z Basic Logic Gates

3. Gary Plimer 20005 Applied Electronics (outcome 3)  NAND  NOR A B Z 0 1 1 1 0 1 0 1 1 0 1 0 0 0 1 1 0 1 0 1 1 0 0 0 A B Z Basic Logic Gates  EOR A BZ 00 01 10 11 0 1 1 0

4. Pupil Problems 1  Applied Electronics Work Book Outcome 3, Page 6 Questions 1 to 9 http://www.islay.argyll- bute.sch.uk/subjects/tech/ts/higher/Electronics /ASSIGNMENT3-2.htm

5. Combinational Logic  It is often necessary to use more than one gate in a logic circuit. In these cases, we need to analyse a Combinational Logic circuit. A B C D Z ABCDZ 0000 00100 01010 01111 10010 10111 11010 11111 0

6. Pupil Problems 2  Applied Electronics Work Book Outcome 3, Page 12 Questions 1 to 5

7. Nand Equivalents 1 Integrated Circuits, (IC’s) come in varying packages. The one shown below is a Quad, 2 Input, Nand IC. In industry, it is common to restrict the number of IC’s used. This reduces cost, stock levels and assembly requirements.

8. Nand Equivalents 2 AND OR NOT

9. Converting to Nands NOT =AND = Substituting NANDS Original Circuit

10. Pupil Problems 3  Applied Electronics Work Book Outcome 3, Page 18 Questions 1 to 4 http://www.islay.argyll- bute.sch.uk/subjects/tech/ts/higher/Index. htm