Ultimate A-Level Computer Science Podcast – Détails, épisodes et analyse

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Ultimate A-Level Computer Science Podcast

Teacher of Computing - AHC

Éducation

Fréquence : 1 épisode/5j. Total Éps: 72

Welcome to the Ultimate A-Level Computer Science Podcast! Your go-to guide for mastering every topic, from algorithms and data structures to exam techniques and revision tips. Join us as we break down complex concepts into clear, easy-to-understand lessons, packed with practical examples and insider insights. Whether you’re aiming for an A or just want to boost your confidence, tune in and unlock your full potential in A-Level Computer Science!

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Données mises à jour le 04/07/2026

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A-Level Computer Science – OCR NEA Evaluation Explained (OCR H446) | Bonus 7

Épisode 7

mardi 21 avril 2026 • Durée 20:09

🎧 A-Level Computer Science revision for OCR & AQA students. ⭐ If this podcast helps your revision, leaving a quick rating really helps other students find it.

In this bonus episode, we focus on the OCR A-Level Computer Science NEA evaluation section. We look at what evaluation is really for, how it links back to the original aims and success criteria, and what students need to do to show that their solution has been properly tested and reviewed.

The episode explains how to evaluate a finished project in a clear and structured way, including judging how well the solution meets user needs, identifying strengths and limitations, and reflecting honestly on possible improvements. It is designed to help students understand what a strong NEA evaluation looks like and how to approach this final section with confidence.

Perfect for OCR H446 Computer Science students completing the NEA.

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A-Level Computer Science – Dijkstra’s, A* & Travelling Salesman Explained (OCR / AQA) | S12:Ep6*

Saison 12 · Épisode 6

jeudi 16 avril 2026 • Durée 17:56

This episode introduces optimization algorithms in computer science, specifically focusing on Dijkstra's shortest path algorithm and the A algorithm*. It explains how Dijkstra's algorithm finds the shortest path between a starting point and all other nodes in a weighted graph, with applications in areas like internet routing and GPS. The document then contrasts computable and incomputable problems, using the Travelling Salesman Problem (TSP) as an example of an intractable problem that is difficult to solve efficiently. Finally, it introduces heuristic methods as a practical approach for finding approximate solutions to intractable problems, and describes the A* algorithm as a path-finding algorithm that uses a heuristic function to focus on reaching a specific goal node.

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A-Level Computer Science – OCR NEA Post-Development Testing Explained (OCR H446) | Bonus 6

Épisode 6

mardi 14 avril 2026 • Durée 17:31

🎧 A-Level Computer Science revision for OCR & AQA students. ⭐ If this podcast helps your revision, leaving a quick rating really helps other students find it.

In this bonus episode, we look at post-development testing for the OCR A-Level Computer Science NEA. This is the stage where students test the finished system in a structured and meaningful way to show whether it actually works as intended.

We cover the purpose of post-development testing, the difference between simply trying out a program and carrying out proper formal testing, and how to record evidence clearly. We also explain how test plans, expected outcomes, actual outcomes, and screenshots or other evidence can help demonstrate that the solution has been fully checked.

This episode is especially useful for students who want to strengthen the testing section of their NEA and make sure their evidence supports the marks available in the OCR H446 coursework project.

#ALevelComputerScience #OCRComputerScience #ComputerScienceNEA #OCRNEA #Coursework #ProgrammingProject #ALevelRevision #ComputerScienceRevision

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A-Level Computer Science – OCR NEA Iterative Testing Explained (OCR H446) | Bonus 5

Épisode 5

lundi 13 avril 2026 • Durée 17:39

🎧 A-Level Computer Science revision for OCR & AQA students.

⭐ If this podcast helps your revision, leaving a quick rating really helps other students find it.

In this episode, we break down Iterative Testing in the OCR A-Level Computer Science NEA (H446).

You’ll learn:

What iterative testing means and why it’s important
How to test your solution at each stage of development
How to present test data, expected results, and actual outcomes
How to identify issues and refine your solution
What examiners are really looking for in testing evidence
Common mistakes that cost marks

Iterative testing is essential for demonstrating that your solution works correctly and improves over time.

🎯 If you’re working on your NEA, make sure to also listen to the Design and Iterative Development episodes to understand how testing fits into the full development process.

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A-Level Computer Science – Depth-First & Breadth-First Search Explained (OCR / AQA) | S12:Ep5

Saison 12 · Épisode 5

lundi 13 avril 2026 • Durée 14:04

This episode provides an overview of graph traversal algorithms, specifically depth-first search (DFS) and breadth-first search (BFS). It explains how to trace and describe typical applications for each algorithm, including illustrations of their operational steps using a sample graph. The text further details the data structures employed by each algorithm—a stack for DFS and a queue for BFS—and examines their complexity. Finally, it briefly discusses the application of these concepts to tree traversals, highlighting similarities and differences.

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A-Level Computer Science – Merge Sort & Quick Sort Explained (OCR / AQA) | S12:Ep4

Saison 12 · Épisode 4

jeudi 9 avril 2026 • Durée 14:57

This episode provides an overview of merge sort and quick sort algorithms, crucial topics for A Level Computer Science. It begins by explaining the core steps of merge sort, including dividing a list into sublists and then merging them back into a single sorted list, illustrating this with a step-by-step example. The document then calculates the time complexity of merge sort as O(n log2n). Subsequently, it introduces quick sort as another "Divide and Conquer" algorithm, detailing its process of selecting a pivot, partitioning the list, and recursively sorting sublists, also with a visual demonstration. The text concludes by discussing the efficiency of quick sort, noting its best-case time complexity of O(n log n) and a worst-case scenario of O(n^2), particularly when the pivot selection leads to highly unbalanced partitions.

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A-Level Computer Science – Bubble Sort & Insertion Sort Explained (OCR / AQA) | S12:Ep3

Saison 12 · Épisode 3

lundi 6 avril 2026 • Durée 13:32

This repisode, provides an overview of sorting algorithms, specifically bubble sort and insertion sort. It highlights the importance of choosing an efficient sorting algorithm due to the potentially large number of items to be sorted. The document explains the mechanics of both bubble sort and insertion sort, offering pseudo-code algorithms and illustrating their processes. Crucially, it analyzes the time complexity of both algorithms, determining that both have a Big-O time complexity of O(n²), although insertion sort is generally faster in practice. The material also touches upon scenarios where simpler sorts, despite being less efficient, might be adequate for small datasets.

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A-Level Computer Science – OCR NEA Iterative Development Explained (OCR H446) | Bonus 4

Épisode 4

dimanche 5 avril 2026 • Durée 22:51

🎧 A-Level Computer Science revision for OCR & AQA students.

⭐ If this podcast helps your revision, leaving a quick rating really helps other students find it.

n this episode, we break down the Iterative Development section of the OCR A-Level Computer Science NEA (H446).

You’ll learn:

What iterative development actually means in the NEA
How to structure your development into clear iterations
How to show testing, refinement, and progression
What examiners are really looking for
Common mistakes that cost marks

This builds directly on the Analysis & Success Criteria section, helping you move from planning into development.

🎯 If you’re working on your NEA, make sure to also listen to the previous episode on Analysis & Success Criteria to fully understand how the sections link together.

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A-Level Computer Science – OCR NEA Design Section Explained (OCR H446) | Bonus 3

Épisode 3

jeudi 2 avril 2026 • Durée 18:54

🎧 A-Level Computer Science revision for OCR & AQA students.

⭐ If this podcast helps your revision, leaving a quick rating really helps other students find it.

In this episode, we break down the Design section of the OCR A-Level Computer Science NEA (H446).

You’ll learn:

What needs to be included in the Design section
How to present algorithms, flowcharts, and pseudocode clearly
How to design a solution that fully meets your requirements
The importance of linking your design back to your Analysis
Common mistakes that cost marks

This section is where you plan your full solution before development, showing how your system will work in detail.

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A-Level Computer Science – Searching Algorithms Explained (Linear, Binary & Tree) (OCR / AQA) | S12:Ep2

Saison 12 · Épisode 2

jeudi 2 avril 2026 • Durée 13:49

This episode introduces various searching algorithms crucial in computer science for finding specific items within data structures. It begins by outlining linear search, which involves sequentially checking each item until a match is found, and analyzes its time complexity as O(n). The text then moves to binary search, a more efficient method for sorted lists that works by repeatedly halving the search space, resulting in a time complexity of O(log n). Finally, the document briefly describes binary tree search algorithms, highlighting their use in quickly navigating data stored in a tree structure and discussing the impact of unbalanced trees on search time.

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