A complete set of engaging lesson resources for Cambridge iGCSE Computer Science (0978) covering key Unit 1 topics on Data Representation and Multimedia. This pack is designed to support classroom teaching, revision, retrieval practice, and independent learning, with activities suitable for mixed-ability learners. Included Lessons Introduction to Data Representation Binary Arithmetic Practising Binary & Hexadecimal Techniques Uses of Hexadecimal and ASCII Sound and Image Representation File Sizes Compression Techniques Features ✔ Ready-to-teach lessons ✔ Starters and extension tasks included ✔ Exam-style practice opportunities ✔ Focus on core 0978 specification knowledge ✔ Suitable for classwork, homework, or revision ✔ Encourages problem-solving and computational thinking Perfect for teachers delivering the Cambridge iGCSE Computer Science 0978 syllabus or students preparing for examinations. Ideal for: Year 10 / Year 11 Revision sessions Cover lessons Intervention groups Independent study Topics include: Binary, hexadecimal, ASCII, image representation, sound representation, file size calculations, compression, and arithmetic operations in binary.