A-LevelComputer ScienceDeclarative ProgrammingMay/June 2022Paper 3 Q27 Marks
A declarative language is used to represent the following facts about a school. 01 teaches(alan, mathematics). 02 teaches(ioana, geography). 03 teaches(nina, history). 04 teaches(alan, statistics). 05 06 studies(ahmed, history). 07 studies(freya, history). 08 studies(kim, history). 09 studies(freya, geography). 10 studies(hua, mathematics). 11 studies(hua, statistics). 12 studies(hua, geography) 13 14 tutors(alan, kim). 15 tutors(alan, hua). 16 tutors(alan, freya). 17 tutors(nina, ahmed). These clauses have the following meaning: Clause Meaning 01 Alan teaches mathematics. 06 Ahmed studies history. 14 Alan is Kim's tutor.
📋 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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