Cambridge O Level Computer Science (0478/0984) | Study Notes | Mr. Ayman Haggag 2026-2027

Master Cambridge O Level Computer Science with Clear, Structured Notes

No more piecing together theory from scattered sources. These comprehensive Cambridge O Level Computer Science (0478/0984) Study Notes, prepared by Mr. Ayman Haggag, cover everything you need to know — explained clearly, organized logically, and ready to use from day one of your revision.

What's Inside

• Data Representation — binary, hex, data types, and more
• Networking & the Internet — protocols, topologies, security
• Hardware & Software — components, operating systems, types of software
• Security & Ethics — threats, protection methods, and ethical issues
• Algorithms & Problem Solving — pseudocode, flowcharts, logic gates
• Programming Concepts — data structures, programming constructs, and more
• Key definitions, diagrams, and examples throughout
• Fully aligned with the Cambridge IGCSE/O Level Computer Science syllabus (0478 & 0984)

Why Choose This Resource?

• Written by an experienced Computer Science educator — Mr. Ayman Haggag
• Concise yet thorough — covers all syllabus topics without the fluff
• Perfect companion to the Classified Paper 1 & 2 with Mark Schemes resource
• Ideal for self-study, classroom use, and exam revision

Whether you’re building your knowledge from scratch or doing a final review before the exam, these study notes give you the clearest, most efficient path to success in Cambridge O Level Computer Science.