Series, DataFrames, and operations. Data Visualization: Creating charts with Pyplot.
| Unit | Unit Name & Marks | Key Topics Covered in Sumita Arora's Textbook | | :--- | :--- | :--- | | | Data Handling using Pandas (25 Marks) | This unit covers Python libraries (Pandas, NumPy), data structures in Pandas (Series and DataFrames), their creation from various sources (ndarray, dictionary, CSV files), and operations like indexing, slicing, and Boolean indexing. You will also learn data visualization using the Matplotlib library, including creating and customizing line plots, bar graphs, and histograms. | | 2 | Database Query using SQL (25 Marks) | This section revises key database concepts and SQL commands from Class 11. It introduces advanced SQL features like mathematical functions ( POWER() , ROUND() , MOD() ), text functions ( UCASE() , SUBSTRING() ), and date functions ( NOW() , MONTH() ). You will master aggregate functions ( SUM() , AVG() , COUNT() ) and learn to write complex queries using GROUP BY , HAVING , ORDER BY , and equi-joins to combine data from two tables. | | 3 | Introduction to Computer Networks (10 Marks) | This unit introduces the fundamental concepts of networking. You will learn about different types of networks (PAN, LAN, MAN, WAN), network devices (modem, hub, switch, router, etc.), and network topologies (Star, Bus, Tree, Mesh). The chapter also covers the introduction to the Internet , the World Wide Web (WWW) , URLs, web servers, browsers, and applications like email and Voice over Internet Protocol (VoIP). | | 4 | Societal Impacts (10 Marks) | This final unit discusses the broader implications of technology. Topics include Intellectual Property Rights (IPR) , digital footprints, netiquettes, and issues of data security and privacy. It also covers the impact of technology on society, including aspects of gender and disability, making you aware of the ethical and responsible use of technology. |
Working with NOW() , DATE() , MONTH() , YEAR() , and DAYNAME() . ip class 12 book sumita arora pdf
So, close those 47 open tabs promising a "100% working PDF link." Open your CBSE academic website instead. Your board exam marks, your device’s security, and your conscience will thank you.
The textbook by Sumita Arora
Never just read the code; type it into your IDE to understand the errors.
Working with NOW() , DATE() , MONTH() , and YEAR() . Series, DataFrames, and operations
While full, official PDFs of copyrighted textbooks are typically not available for free legally, you can find digital versions or related study materials through these platforms: : Multiple users have uploaded the 2020-21 edition and more recent Informatics Practices Class 12 Notes based on Sumita Arora's book. Sarkari Rush
Diagrams, syntax boxes, and screenshots of output screens make self-study incredibly intuitive. Core Syllabus and Chapter Breakdown You will also learn data visualization using the
The board exam often picks questions directly from or heavily inspired by the back-exercises of Sumita Arora. Ensure you solve every single query and prediction-of-output question.