Class 9 Computer Science Notes

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Chapter 1: Computer Systems

Basics of computer hardware, software, and digital systems.

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Chapter 2: Computational Thinking & Algorithms

Understand logic, flowcharts, and programming structures.

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Chapter 3: Programming Fundamentals

Introduction to HTML, CSS, and JavaScript for beginners.

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Chapter 4: Data and Analysis

Explore data types, collection, analysis, and interpretation.

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Chapter 5: Application of Computer Science

Learn about Artificial Intelligence, Machine Learning, and their real-world use.

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Chapter 6: Impacts of Computing

Safe and ethical use of technology and social media awareness.

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Chapter 7: Entrepreneurship

Business basics: production, startup planning, and digital innovation.

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