What is an Algorithm? Flowcharts & Pseudocode | IGCSE Edexcel CS Ep.02

🧠 What is an Algorithm? Flowcharts & Pseudocode Explained | IGCSE Edexcel Computer Science Ep. 02 You use algorithms every single day — but do you actually know what they are? In this episode, we break down one of the most important concepts in your Edexcel IGCSE Computer Science exam (4CP0): algorithms, flowcharts, and pseudocode — using the official Pearson notation you'll be tested on. ✅ What you'll learn: • The 3-part exam-ready definition of an algorithm • Sequence, selection, and iteration — explained simply • All 5 official flowchart symbols (Appendix 6) • Full Pearson pseudocode syntax: RECEIVE, SEND TO DISPLAY, SET, IF...END IF, WHILE...DO...END WHILE, FOR...FROM...DO...END FOR • A real worked example converted from flowchart → pseudocode • Exam tips for Paper 2 — what the reference sheet gives you and what it doesn't 🗂️ TIMESTAMPS 00:00 – Hook: you already think algorithmically 00:45 – What is an algorithm? (exam definition) 02:00 – The 3 constructs: sequence, selection, iteration 04:30 – Flowchart symbols (Edexcel Appendix 6) 07:00 – Pearson pseudocode syntax — the complete guide 10:30 – Worked example: flowchart → pseudocode 12:00 – Exam tips & Paper 2 strategy 13:00 – Practice question + mark scheme 📥 FREE RESOURCES Download the pseudocode reference sheet used in this video: [link] Episode 1 (Data representation): [link] 👇 EXAM PREP PLAYLIST Full IGCSE Edexcel CS playlist: [link] --- This channel is made for international students sitting the Pearson Edexcel International GCSE Computer Science (4CP0) — whether you're in Year 10, Year 11, or revising for your exams. Every video follows the official specification. 🔔 Subscribe and hit the bell so you don't miss the next episode. #IGCSEComputerScience #EdexcelIGCSE #ComputerScienceRevision #Pseudocode #Algorithms #4CP0 #IGCSERevision #ComputerScience #PearsonEdexcel #IGCSE2025