A-LevelComputer ScienceFile HandlingOct/Nov 2024Paper 2 Q39 Marks
An algorithm will output the last three lines from a text file Result.txt The lines need to be output in the same order as they appear in the file. Assume: • Three variables LineX, LineY and LineZ will store the three lines. These are of type string and all three variables have been initialised to an empty string. • The file exists and contains at least three lines.
📋 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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