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EnglandComputer ScienceQuick questions
2.3 Producing robust programs and 2.4 Boolean logic
Quick questions on Boolean logic: AND, OR, NOT and truth tables - OCR GCSE Computer Science J277
4short 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 are too few rows?Show answer
Two inputs need four rows, three inputs need eight. Missing combinations loses marks; list them in a systematic binary-counting order (00, 01, 10, 11).
What is q1?Show answer
State when the expression is false. [1 mark]
What is q2?Show answer
How many rows does a truth table with three inputs have? [1 mark]
What is q3?Show answer
State the output of . [1 mark]
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