Complete IGCSE Computer Science 0478/0984 Unit 1 Data Representation: 15 ready-to-teach lessons on binary, hexadecimal, sound, images and compression.
Everything you need to teach Unit 1 of the Cambridge IGCSE Computer Science syllabus, from why computers use binary through to lossy and lossless compression. Each lesson is a fully editable PowerPoint that also works in Google Slides, with clean modern design and animated diagrams that play in both.
What’s included in every lesson
• Retrieval starter with answers
• Lesson objectives and key terms
• Teaching slides with worked examples and animated diagrams
• Three differentiated tasks: Recall (green), Apply (amber) and Explain (red), each with a full mark scheme
• Extension task and a confidence-rated plenary
Lessons

1. How and Why Computers Use Binary
2. Number Systems
3. Converting Denary and Binary
4. Converting Binary and Hexadecimal
5. Why Hexadecimal Is Used
6. Adding 8-bit Binary Integers
7. Logical Binary Shifts
8. Two’s Complement
9. Characters and Character Sets
10. Representing Sound
11. Representing Images
12. Units of Data Storage
13. Calculating File Sizes
14. Compression
15. Lossy and Lossless Methods
    Ideal for Year 10 and Year 11 IGCSE classes, cover lessons and revision. Exam-style questions with mark schemes in every lesson support assessment for learning.