**Complete IGCSE Computer Science Chapter 2 - Data Representation Teaching/revision slides (2024 - 2026 syllabus) + Topical Past Year Questions (2019 - 2023)
**
Topics included:
Chapter 2.1 - Types and Modes of Data Transmission (Data packet, packet switching, transmission modes)
Chapter 2.2 - Universal Serial Bus (USB)
Chapter 2.3 - Methods of Error Detection (parity check, echo check, checksum, automatic repeat request, check digit)
Chapter 2.4 - Symmetric and Asymmetric Encryption
Features of the slides:
Feature 1 - Animated PPT
Feature 2 - DIY (Do it yourself) session for students to practice what they just learned
Feature 3 - Carefully slides using Canva to improve students’ engagement
Feature 4 - Details step-by-step explanation
Feature 5 - Past year questions for students to practice for the IGCSE exam
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