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A1.2 Data representation and computer logicA1.2.5

Construct logic diagrams

Construct logic diagrams

SL + HL≈ 50 minCommand term: ConstructPremium

In this lesson

  • Read and draw logic diagrams using the standard symbols for AND, OR, NOT, NAND, NOR, XOR and XNOR
  • Process inputs through a diagram to find its outputs, and combine gates for more complex operations
  • Use Boolean algebra to simplify logic diagrams and expressions

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What's inside

  1. LearnReading a logic diagram
  2. LearnThe standard symbols
  3. LabAll seven symbols
  4. MethodFrom an expression to a diagram
  5. LabCircuit builder
  6. PracticeComplete the table for this circuit
  7. CheckQuick check
  8. LearnSimplifying circuits
  9. LabBefore and after
  10. ExamWorked exam answer
  11. ReviewMistakes examiners see
  12. Exam practiceExam-style questions

Ends with 5 exam-style questions worth 14 marks, with a self-marking markscheme.