Bubble Sort Explained (Part 2) | O Level & IGCSE Computer Science P2 | Lecture 36

In this lecture, I explain Bubble Sort (Part 2) for Paper 2 (Programming) in O Level and IGCSE Computer Science using a clear, exam-focused approach. Bubble Sort is one of the most important sorting algorithms in programming, and understanding it helps you organize data efficiently and write structured pseudocode for exam questions. This lecture is ideal for students preparing for: 📘 O Level Computer Science (Cambridge 2210) – Paper 2 📗 IGCSE Computer Science (0478 / 0984) – Paper 2 🔍 What you’ll learn in this lecture: ✔ What is Bubble Sort ✔ How Bubble Sort works step-by-step ✔ Comparing and swapping values ✔ Writing Bubble Sort in pseudocode ✔ Understanding passes and iterations ✔ Sorting arrays using Bubble Sort ✔ Input, output & processing with sorting ✔ Exam-style questions & logic building ✔ Common mistakes students make This lecture will help you strengthen your understanding of sorting algorithms, improve problem-solving skills, and confidently solve Bubble Sort questions in Computer Science exams. 📌 Subscribe for more exam-focused Computer Science lectures. 💻 Full Paper 2 playlist 📝 Past paper solutions 🔥 Python lessons 📘 Algorithm & pseudocode series 🎯 Smart exam tips & guidance 📲 For classes & registration: WhatsApp: +92 332 2596965