O-LevelComputer ScienceAlgorithm design and problem-solvingOct/Nov 2024Paper 2 Q94 Marks
A flowchart checks that values stored in three variables are identical. If they are different, the highest value is stored in all three variables. [Flowchart diagram] Identify four errors in the flowchart and suggest a correction for each error. You may label each error on the diagram with the corresponding error number. Error 1 Correction Error 2 Correction Error 3 Correction Error 4 Correction
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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