Class 9 Computer Science

Learn the fundamentals of systems theory, the Von Neumann computer architecture, number systems, binary arithmetic, and how text gets encoded through ASCII and Unicode.

Look into analog and digital signals, Boolean algebra with logic gates, truth tables and logic diagrams, and a step-by-step method for troubleshooting computer systems.

Learn how data communication works, common network protocols, network topologies, the OSI model, and how firewalls and encryption protect networks.

Discover decomposition, pattern recognition, abstraction, and algorithm design, and learn to plan out solutions using flowcharts and pseudocode.

Create web pages using HTML tags, style them using CSS selectors and the box model, and bring them to life with JavaScript interactivity.

Explore qualitative vs quantitative data, collecting data through surveys, visualizing data, SQL, and applying Python to data science tasks.

Get introduced to Artificial Intelligence and its subfields alongside the Internet of Things (IoT) — and see how both are applied in healthcare, education, and transportation.

Learn about using computers responsibly, building strong passwords and using Two-Factor Authentication, staying private online, software piracy, and data ethics.

Explore entrepreneurship in the digital world, e-commerce platforms, analyzing markets, writing business plans, and aligning businesses with the Sustainable Development Goals.