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This lesson covers two fundamental sorting algorithms — bubble sort and insertion sort — as required by the OCR A-Level Computer Science (H446) specification. Understanding how they work, their performance characteristics, and when to use each is essential.
Sorting data into a defined order (ascending or descending) is one of the most common operations in computing. Sorted data enables:
Bubble sort repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order. The largest unsorted element "bubbles" to the end on each pass.
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