CBSE Class 12 Informatics Practices Board Exam Preparation
Python, Pandas, SQL, and Networks — the data-science-focused alternative to Computer Science
Complete chapter-wise preparation guide for CBSE Class 12 Informatics Practices board exam 2025-26. Covers Python with Pandas, Matplotlib, MySQL, Computer Networks, and Society & Ethics with marks distribution and strategy.
Practice with AI Evaluation →70
Theory Marks
30
Practical Marks
3 hours
Exam Duration
7
Total Chapters
Chapter-Wise Marks Breakdown
70 theory marks| Chapter | Marks | Difficulty |
|---|---|---|
| Python Revisited | 5 | Easy |
| Data Handling using Pandas | 15 | Medium |
| Data Visualisation | 10 | Easy |
| Database Concepts | 8 | Easy |
| Structured Query Language (SQL) | 15 | Medium |
| Computer Networks | 10 | Medium |
| Society, Law and Ethics | 7 | Easy |
Topics That Appear Every Year
Study Strategy for 90+
IP is data-science focused — 40% of theory marks come from Pandas, Matplotlib, and SQL combined
SQL questions (15 marks) — write complete queries with syntax, always test ORDER BY and HAVING conditions
Pandas (15 marks) — know all key methods: read_csv, loc, iloc, groupby, fillna, dropna, describe
Networks (10 marks) — memorise OSI layer names and functions; hub vs switch vs router is a guaranteed MCQ
Society and Ethics (7 marks) — pure memory; IT Act, digital footprint, FOSS vs proprietary are predictable
Practicals carry 30 marks — the hands-on skills directly translate to theory answers
Related Study Tips
All Study Tips →Know what to study. Now practise it.
ClearSteps gives you CBSE Class 12 Informatics Practices mock papers, concept videos for every chapter, and AI evaluation against the real CBSE marking scheme.