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A-LevelComputer ScienceProgramming ConstructsMay/June 2025Paper 2 Q38 Marks

A student has been asked to create a simple guessing game program. This program will generate a random integer value between 1 and 100. It will then repeatedly prompt the user to input an integer value until they input the randomly generated value. The student has written a structured English description: step 1 - randomly generate an integer value between 1 and 100 inclusive step 2 - prompt the user to input an integer value step 3 - output an appropriate message if the value input was too high; then repeat from step 2 step 4 - output an appropriate message if the value input was too low; then repeat from step 2 step 5 - output an appropriate message if the value input was the same value that was randomly generated; then end the program. Write a pseudocode algorithm from this structured English description. Assume no input validation is needed.

📋 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 Constructs in A-Level Computer Science (syllabus code 9618). It is worth 8 marks.

Source

This question appeared in the Cambridge A-Level Computer Science May/June 2025 examination, Paper 2 Variant 1.

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