A-LevelComputer ScienceData StructuresMay/June 2025Paper 4 Q126 Marks
A program reads data from a text file and stores it in a queue. The linear queue Queue is stored as a 1D array of up to 50 elements. The queue has the following pointers: • HeadPointer – this stores the index of the first element in the queue, initialised to -1 • TailPointer – this stores the index of the last element in the queue, initialised to -1
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