Sorting
Kerala Board · Class 12 · Computer Science
Summary of Sorting for Kerala Board Class 12 Computer Science. Key concepts, important points, and chapter overview.
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Sorting is the process of ordering or arranging a given collection of elements in a particular order. Numbers can be sorted in ascending or descending order. Strings can be sorted alphabetically or by length. Sorting makes searching and handling data easier, especially when the collection is large.
Key Concepts
Sorting means arranging elements in
Sorting means arranging elements in a required order such as ascending, descending, alphabetical, or length-based order.
Every iteration through each element
Every iteration through each element of a list in an algorithm is called a pass.
Bubble sort repeatedly compares adjacent elements
Bubble sort repeatedly compares adjacent elements and swaps them if they are unordered. For a list with n elements, it makes n - 1 passes. After each
Selection sort divides the list into
Selection sort divides the list into a sorted left part and an unsorted right part. In each pass, it finds the smallest element in the unsorted part a
Insertion sort divides the list into
Insertion sort divides the list into sorted and unsorted parts. Each unsorted element is inserted into its correct position in the sorted part by scan
Learning Objectives
- Understand the meaning and purpose of sorting
- Learn bubble sort, selection sort, and insertion sort
- Recognize passes, comparisons, and swaps in sorting
- Understand how each algorithm works on a list
- Compare the time complexity of basic sorting algorithms
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Sources & Official References
- Kerala Board of Public Examinations — keralapareekshabhavan.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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