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Write a Boolean expression to show how the output S is calculated from the inputs P, Q and R in Figure 1.

Logic circuit diagram with inputs P, Q, and R. Input P goes into a NOT gate. Inputs Q and R go into a 2-input AND gate. The outputs of the NOT gate and the AND gate are the inputs to a 2-input OR gate. The output of the OR gate is labeled S.

You can use either the Boolean operator words (AND, OR, NOT) or their standard logic symbols.

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Boolean logic Questions

Practise AQA GCSE Computer Science Boolean logic with exam-style questions for GCSE Computer Science. 83 questions, matched to the AQA GCSE Computer Science (8525) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Boolean logic Questions

  1. GCSE
  2. /Computer Science
  3. /Boolean logic