Cambridge IGCSE Computer Science
10Boolean logic
Boolean logic in Cambridge IGCSE Computer Science: what the syllabus expects you to know, the learning objectives and how to practise.
Topic61 practice questions3 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 10.1Identify and use the standard symbols for the NOT, AND, OR, NAND, NOR and XOR gates.
- 10.2Define the function of each logic gate and its output for every input combination.
- 10.3aCreate a logic circuit from a problem statement, a logic expression or a truth table.
- 10.3bComplete a truth table from a problem statement, a logic expression or a logic circuit.
- 10.3cWrite a logic expression from a problem statement, a logic circuit or a truth table.
Lessons
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Designing logic circuits and writing logic expressions
40 min
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Logic gates: NOT, AND, OR, NAND, NOR and XOR
30 min
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Truth tables for logic circuits and expressions
35 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
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