AQA GCSE Computer Science · 8525
Paper 2
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GCSE Computer Science · key term
A horizontal line above a Boolean input or expression, indicating that NOT applies to everything beneath the line.
Used by AQA
Paper 2
Use the required notation: . for AND, + for OR, ⊕ for XOR and an overbar for NOT.
Make the length of an overbar clear: it determines exactly what is being negated.
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