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A-LevelComputer ScienceData Structures (Queues)May/June 2022Paper 4 Q321 Marks

A program uses a circular queue to store strings. The queue is created as a 1D array, QueueArray, with 10 string items. The following data is stored about the queue: • the head pointer initialised to 0 • the tail pointer initialised to 0 • the number of items in the queue initialised to 0.

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The correct answer is . This question tests the candidate's understanding of data structures (queues) 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) May/June 2022 examination, Paper 4 Variant 1. It tests the topic of Data Structures (Queues) and is worth 21 marks.

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