Arrays & Algorithms Explained | O Level & IGCSE Computer Science P2 | Lecture 29

In this lecture, I explain Arrays and basic Algorithms for Paper 2 (Programming) in O Level and IGCSE Computer Science using a clear, exam-focused approach. Arrays are one of the most important data structures in programming, and when combined with algorithms, they help you solve problems efficiently, manage data, 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 an array (1D arrays) ✔ How to declare and use arrays in pseudocode ✔ Storing and accessing values using index ✔ Introduction to algorithms in programming ✔ Writing simple algorithms using arrays ✔ Searching (Linear Search) in arrays ✔ Sorting basics (Bubble Sort concept) ✔ Input, output & processing with arrays ✔ Exam-style questions & logic building ✔ Common mistakes students make This lecture will help you strengthen your programming concepts, improve problem-solving skills, and confidently solve array and algorithm-based 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