A-LevelComputer ScienceData StructuresMay/June 2022Paper 2 Q46 Marks
A stack is created using a high-level language. Memory locations 200 to 207 are to be used to store the stack. The following diagram represents the current state of the stack. TopOfStack points to the last value added to the stack. Stack Pointer Memory location | Value ---|--- 200 | 201 | 202 | 203 | 'F' <- TopOfStack 204 | 'C' 205 | 'D' 206 | 'E' 207 | 'H'
📋 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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