A-LevelComputer ScienceProgramming FundamentalsMay/June 2024Paper 2 Q56 Marks
A program is being designed in pseudocode. The program contains a global 1D array Data of type string containing 200 elements. The first element has the index value 1. A procedure Process() is written to initialise the values in the array: PROCEDURE Process(Label : STRING) DECLARE Index : INTEGER Index ← 0 INPUT Data [Index] WHILE Index < 200 Index ← Index + 1 CASE OF (Index MOD 2) 0: Data [Index] ← TO_UPPER(Label) 1 : Data[Index] ← TO_LOWER(Label) OTHERWISE : OUTPUT "Alarm 1201" ENDCASE NEXT Index OUTPUT "Completed " & Index & " times" ENDPROCEDURE
📋 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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