Web Reference: Unit 4: Data Collections is the largest and most important unit on the AP CSA Exam. It covers everything from basic arrays to complex algorithms, and accounts for nearly 40% of your exam score. In this lesson, students will explore the fundamental concepts of sorting algorithms, specifically focusing on selection sort and insertion sort. Sorting algorithms transform unordered data into organized sequences by systematically comparing and rearranging elements. The two fundamental sorting algorithms you'll work with are selection sort and insertion sort, each implementing a distinct strategy for achieving the same goal of ordered data.
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