O-LevelComputer ScienceProgrammingOct/Nov 2023Paper 2 Q75 Marks
The string operation SUBSTRING(Quote, Start, Number) returns a string from Quote beginning at position Start that is Number characters long. The first character in Quote is in position 1. Write pseudocode statements to: • store the string "Learning Never Exhausts The Mind" in Quote • extract and display the words "The Mind" from the string • output the original string in lower case.
📋 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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