IGCSE | O Level Computer Science - Paper 1 Draw and annotate diagrams 2023 - 2025 all papers-Part 1

0:00 Important tips 1:00 Virtual memory 2:50 Pharming 5:13 DDoS 10:53 Packet switching 15:31 Firewall 17:15 Data interception 19:44 Role of router 21:20 Retrievel of website from web server.... DNS 30:15 FDE cycle 📘 In this recording, we revised the most important “Draw & Annotate Diagram” questions for Computer Science Paper 1 (0478 / 0984 / 2210). We covered examiner expectations, marking scheme tips, and easy ways to score full marks in diagram-based questions. Topics covered include: ✅ Virtual Memory ✅ Pharming ✅ DDoS Attacks ✅ Packet Switching ✅ Firewall ✅ Data Interception & Packet Sniffing ✅ Router Functions ✅ DNS & Web Page Retrieval ✅ Fetch-Decode-Execute Cycle (FDE Cycle) Students will learn how to draw simple exam-friendly diagrams using boxes, arrows, labels, and keywords exactly as required in Cambridge marking schemes. We also discussed repeated past paper questions from 2023, 2024, and 2025 to help you prepare smartly for upcoming exams. 🎯 Perfect revision for CAIE IGCSE / O Level Computer Science students preparing for Paper 1. #ComputerScience #IGCSEComputerScience #OLevelComputerScience #0478 #0984 #2210 #CAIE #Paper1 #CyberSecurity #DNS #PacketSwitching #DDoS #Firewall #VirtualMemory #FDECycle #PastPapers #CambridgeExams #ComputerScienceRevision #IGCSE2026 🗨️Comment if you have queries. I will be happy to answer and solve it! _____________________________________________________ 🏆Don't forget to like, share, and subscribe for more tutorials. Happy learning! 🎉 Happy learning! 💻🎓🌟 🙂 Was this video lecture helpful?? share your thoughts and feedback in comments. ______________________________________________________ Quick Recap playlist 🔗   • Quick recap   ______________________________________________________ Playlist Paper 2 🔗   • Computer Science Paper 2   ______________________________________ Follow me Facebook:  / learncswithsy   Facebook Community:   / learncswithsy   For more information contact email: [email protected] #sadafyousuf #learncswithsy #0478 _______________________________________________________ Happy learning! 💻🎓🌟 🙂Was this video lecture helpful?? share your thoughts and feedback in the comments 👍 #digitalmark3ting #asmaakhlaqa Managed by: Digitalmark3ting.com [email protected] +923215255851 #IGCSE #OLevel #ComputerScience #IGCSEComputerScience #OLevelComputerScience #DataRepresentation #ExamPreparation #StudyWithMe #LastMinuteRevision #CrashCourse #StudyTips #StudentLife #Exams2026 #LearnFast #MadeEasy #QuickRevision #ScoreAStar #TopperStrategy #CambridgeIGCSE #CSRevision #binaryoptions #Hexadecimal #ComputerScienceRevision #IGCSE #OLevel #ComputerScience #IGCSEComputerScience #DataRepresentation #ExamPreparation #LastMinuteRevision #CrashCourse #StudyTips #LearnFast #QuickRevision #CambridgeIGCSE #ComputerScience #Algorithms #Flowchart #Pseudocode #LinearSearch #BubbleSort #Arrays #ProgrammingBasics #OLevelComputerScience #IGCSEComputerScience #CodingForStudents #CSLecture #ExamPreparation #ProgrammingLogic #ComputerStudies #LearnProgramming #SortingAlgorithms #SearchAlgorithms #CodingClass #Education Ace IGCSE (0478/0984), O Levels (2210) and A level Computer Science (9618) at your pace