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Higher Technological Studies

Higher Technological Studies. Applied Electronics (Outcome 3) G. Plimer 2005. Applied Electronics (outcome 3). Basic Logic Gates. NOT. AND. OR. A. B. Z. A. B. Z. A. Z. 0. 0. 0. 0. 0. 0. 0. 1. 0. 1. 0. 0. 1. 1. 1. 0. 1. 0. 0. 1. 0. 1. 1. 1. 1. 1. 1.

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Higher Technological Studies

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

  2. Applied Electronics (outcome 3) Basic Logic Gates • NOT • AND • OR A B Z A B Z A Z 0 0 0 0 0 0 0 1 0 1 0 0 1 1 1 0 1 0 0 1 0 1 1 1 1 1 1 1

  3. Applied Electronics (outcome 3) Basic Logic Gates • NAND • NOR • EOR A B Z A B Z A B Z 0 0 1 0 0 1 0 0 0 0 1 1 0 1 0 0 1 1 1 0 1 1 0 0 1 0 1 1 1 0 1 1 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 0 0 0 0 0 0 0 1 0 0 A D 0 1 0 1 0 B Z 0 1 1 1 1 1 0 0 1 0 C 1 0 1 1 1 1 1 0 1 0 1 1 1 1 1

  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 NOT OR AND

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

  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

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