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Complete the truth table for the AND logic gate - AQA - GCSE Computer Science - Question 8 - 2021 - Paper 1
Question 8
Complete the truth table for the AND logic gate. | A | B | A AND B | |---|---|---------| | 0 | 0 | 0 | | 0 | 1 | 0 | | 1 | 0 | 0 | | 1 | 1 | 1 ... show full transcript
Worked Solution & Example Answer:Complete the truth table for the AND logic gate - AQA - GCSE Computer Science - Question 8 - 2021 - Paper 1
Step 2
Complete the logic circuit for this system.
Answer
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Connect A1 and A2 to an OR gate to combine their inputs, ensuring that the audio plays if either sensor detects a customer.
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Connect the output of the OR gate to the input of a NOT gate, with S as the input to this NOT gate. This setup ensures that the audio will play only if another audio system is not playing.
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Finally, connect the output of the NOT gate to the output Q, indicating whether the advert should play or not.