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Ultimate GCSE Computer Science Podcast

Ultimate GCSE Computer Science Podcast

By: Teacher of Computing - AHC
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About this listen

Welcome to the Ultimate GCSE Computer Science Podcast! Your go-to guide for mastering every topic, from binary and networks to exam techniques and revision tips. Join us as we break down tricky concepts into clear, easy-to-understand lessons, packed with practical examples and helpful insights. Whether you’re aiming for a grade 9 or just want to boost your confidence, tune in and unlock your full potential in GCSE Computer Science!Teacher of Computing - AHC Education
Episodes
  • S6:EP3 Sorting Algorithms: Bubble, Insertion, and Merge
    Feb 9 2026

    This episode provides an introduction to fundamental sorting algorithms, outlining their objectives and practical applications. It explains the necessity of data sorting for both human organization and computer efficiency, illustrating with examples like customer records and name lists. The document then details three specific sorting methods: the bubble sort, which repeatedly compares and swaps adjacent elements; the insertion sort, which builds a sorted list one item at a time; and the merge sort, a more efficient method that divides lists into smaller sub-lists before merging them back in order. Each algorithm is demonstrated with a numerical example to clarify its step-by-step process. The podcast concludes by comparing the efficiency of these sorts, highlighting the merge sort as generally the fastest option.

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    16 mins
  • S6:EP2 Searching Algorithms: Linear and Binary Methods
    Feb 2 2026

    This episode introduces the fundamental concepts of searching algorithms, specifically focusing on linear search and binary search. It begins by highlighting the common occurrence of searching in daily life and computing, offering various practical examples. The podcast then details how each algorithm operates, explaining that a linear search inspects every item sequentially, making it less efficient for large, sorted lists. Conversely, a binary search is presented as a more efficient method for sorted lists, where the list is repeatedly halved to quickly locate a target item, demonstrating a "divide and conquer" approach. The episode concludes by comparing the efficiency of these two search types, particularly in terms of the number of items that need to be examined.

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    11 mins
  • S6:EP1 Computational Thinking and Algorithms: Problem-Solving Strategies
    Jan 26 2026

    This Episode provides an introduction to computational thinking, outlining key principles such as abstraction, decomposition, and algorithmic thinking. It explains algorithms as a set of instructions for problem-solving, offering various examples from daily life and computer science. The episode also introduces structure diagrams as a tool for visualizing how large problems are broken down into smaller, manageable sub-problems, a process central to decomposition. Ultimately, the text aims to teach readers how to approach and solve complex problems by applying these fundamental computational concepts.

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    15 mins
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