Welcome to Class 9 Computer Systems

Explore the modules on the left to learn about the parts of a computer, how they work together, and how software powers everything. Click a topic to reveal its subtopics, then choose any subtopic to read clear explanations with diagrams and examples.

Computer learning
Tip
Use the search box to quickly find any topic, e.g., "RAM", "Ports", or "IPOS".

Test Your Knowledge

Ready to challenge yourself? Take our comprehensive MCQ quiz covering all topics in the Computer Systems module.