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A-LevelComputer ScienceAlgorithm Design and Problem SolvingOct/Nov 2022Paper 2 Q611 Marks

Components are weighed during manufacture. Weights are measured to the nearest whole gram. Components that weigh at least 3 grams more than the maximum weight, or at least 3 grams less than the minimum weight, are rejected. A component is rechecked if it weighs within 2 grams of either the maximum or minimum weight. The final outcome of weighing each component is shown below: [Figure X.X] Outcome Weight Reject Max + 2 Max Max – 2 Maximum weight Accept Recheck Min + 2 Min Min – 2 Minimum weight Reject A function Status() will be called with three parameters. These are integers representing the weight of an individual component together with the minimum and maximum weights. The value returned from the function will be as follows: Outcome Return value Accept 'A' Reject 'R' Recheck 'C'

📋 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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About This A-Level Computer Science Question

Topic

This structured question tests Algorithm Design and Problem Solving in A-Level Computer Science (syllabus code 9618). It is worth 11 marks.

Source

This question appeared in the Cambridge A-Level Computer Science Oct/Nov 2022 examination, Paper 2 Variant 3.

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