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A-LevelComputer ScienceProgramming ConceptsMay/June 2025Paper 2 Q718 Marks

A program is being developed to implement a customer loyalty scheme for a coffee shop. The programmer has decided that the following data items need to be stored for each customer: Data item Description customer ID a unique six-digit string loyalty points an integer value that depends on how often the customer visits the coffee shop last visit date the date the customer last visited the coffee shop The programmer has defined a program module: Module Description UpdateVisit() • called with two parameters: 1. loyalty points of type INTEGER 2. last visit date of type DATE • change the loyalty points: o increase by four if the last visit date and the current date are in the same month o otherwise increase by one • change the last visit date to the current date • the changed values must be available to the code that follows the call to UpdateVisit()

📋 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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About This A-Level Computer Science Question

Topic

This structured question tests Programming Concepts in A-Level Computer Science (syllabus code 9618). It is worth 18 marks.

Source

This question appeared in the Cambridge A-Level Computer Science May/June 2025 examination, Paper 2 Variant 3.

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