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Logic gates common mistakes

Study Logic gates with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.

At a glance

common mistakes

Resource type

Topic

Logic gates

AqaA LevelComputer ScienceFundamentals of computer systems

Common mistakes

  • Confusing OR with XOR

    Assuming that XOR outputs 1 whenever one or more inputs are 1.

    Fix itRemember that OR allows one or more 1 inputs, whereas XOR outputs 1 only when exactly one input is 1. Thus, 1 XOR 1 = 0.

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