Computer Science > EXAM > June 2025 OCR: A Level Computer Science H446/01 Computer Systems – Merged Question Paper & Mark (All)

June 2025 OCR: A Level Computer Science H446/01 Computer Systems – Merged Question Paper & Mark Scheme

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June 2025 OCR: A Level Computer Science H446/01 Computer Systems – Merged Question Paper & Mark Scheme 2 © OCR 2025 Section A 1 Data in a computer program needs to be sorted. (a) (i) Des ...

June 2025 OCR: A Level Computer Science H446/01 Computer Systems – Merged Question Paper & Mark Scheme 2 © OCR 2025 Section A 1 Data in a computer program needs to be sorted. (a) (i) Describe the steps a bubble sort will take to sort items into ascending order. .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... . ................................................................................................................................................. [5] (ii) Darcie and Felix have both written a program that will perform a bubble sort to put these numbers into ascending order. 2 1 3 4 5 6 7 Darcie’s version will complete six passes. However, Felix’s version will only need to complete two passes. Explain how Felix may have made his version more efficient than D

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