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AlgorithmsStudy Notes

Deep Dive: Records

Part of Insertion Sort — GCSE Computer Science

This study notes covers Deep Dive: Records within Insertion Sort for GCSE Computer Science. Revise Insertion Sort in Algorithms for GCSE Computer Science with 15 exam-style questions and 10 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 5 of 7 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 5 of 7

Practice

15 questions

Recall

10 flashcards

Deep Dive: Records

Records bundle related data together:

// Define structure
record Student
    name: String
    age: Integer
    score: Real
endrecord

// Create and use
student1.name = "Alice"
student1.age = 16
student1.score = 92.5

Keep building this topic

Read this section alongside the surrounding pages in Insertion Sort. That gives you the full topic sequence instead of a single isolated revision point.

Deep Dive: 2D ArraysMemory TrickVideo LessonOrganising Data

Practice Questions for Insertion Sort

Which statement best describes how insertion sort works?

  • A. It repeatedly swaps adjacent elements until the list is sorted
  • B. It divides the list in half repeatedly and merges sorted halves
  • C. It takes each element and inserts it into its correct position in the already sorted portion
  • D. It selects the smallest element and swaps it to the front each pass
1 markfoundation

Describe how insertion sort works. Your answer should include how the algorithm processes each element.

3 marksstandard

Quick Recall Flashcards

How does insertion sort work?
Builds sorted list one element at a time by inserting each element into its correct position
What is the time complexity of insertion sort?
O(n²) worst/average case, O(n) best case (already sorted)

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Memory Trick