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A-LevelComputer ScienceFunctions and ProceduresOct/Nov 2023Paper 2 Q66 Marks

A function TestNum() will take a six-digit string as a parameter. The function will test whether the string meets certain conditions and will return an integer value as follows: Return value | Condition | Example -------------|----------------------------------------------|---------- 1 | The last three digits are the same but non-zero. | "253444" 2 | The last three digits are zero. | "253000" 3 | The first three and last three digits are the same. | "410410" The function will return the highest possible value for the given string. If the string does not meet any of the conditions, zero is returned.

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The correct answer is . This question tests the candidate's understanding of functions and procedures within the Computer Sciencesyllabus. The examiner's mark scheme requires...

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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...

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About This A-Level Computer Science Question

This structured question appeared in the Cambridge A-Level Computer Science (9618) Oct/Nov 2023 examination, Paper 2 Variant 3. It tests the topic of Functions and Procedures and is worth 6 marks.

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