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EnglandComputer ScienceQuick questions

Algorithms and computational thinking

Quick questions on Logic gates and Boolean expressions - Eduqas GCSE Computer Science

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State when an AND gate outputs 11. [1 mark]
What is q2?
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State how many rows a truth table has for an expression with three inputs. [1 mark]
What is q3?
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Give the output of NOT(A AND B)\text{NOT}(A \text{ AND } B) when A=1A = 1 and B=1B = 1. [1 mark]

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