A-LevelComputer ScienceObject-Oriented ProgrammingMay/June 2025Paper 3 Q118 Marks
A medical centre uses objects of the class Appointment to record treatments given and medication prescribed during each doctor's appointment. Some of the attributes required in the class are listed in the table. Attribute | Data type | Description DateSeen | DATE | date of treatment Treatments | STRING | treatments given Medications | STRING | medications prescribed Patients are identified by a unique 8-digit number, beginning with the patient's year of birth, for example, 20108989. Doctors are identified by their name, for example, A N Other. [Figure with partial class diagram for 'Appointment']
📋 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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