A-LevelComputer ScienceData StructuresMay/June 2022Paper 3 Q19 Marks
Data types can be defined using pseudocode. The data type, BuildingRecord, is defined in pseudocode as: TYPE BuildingRecord DECLARE BuildingID : INTEGER DECLARE BuildingGroup : STRING DECLARE OwnerName : STRING DECLARE BuildingAddress : STRING DECLARE DateLastSold : DATE DECLARE PriceLastSold : REAL ENDTYPE A variable, BuildingRegister, is declared in pseudocode as: DECLARE BuildingRegister : BuildingRecord
📋 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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