NCERT Class 12 Computer Science (Python): Complete Guide for CBSE 2025
📌 Why This Guide is Essential
✅ 100% Updated for CBSE 2024-25 syllabus with Python 3.10+
✅ Chapter-wise Programs & Solutions with output screenshots
✅ 90+ Marks Blueprint based on latest exam pattern
✅ Competitive Edge for JEE, CUET, and coding competitions
📚 Chapter-wise Study Material
Core Programming Units
| Chapter | Key Concepts | Marks Weightage | Download | Video Guide |
|---|---|---|---|---|
| 1. Python Revision | OOP Basics | 10 marks | [📥 PDF] | [▶ Watch] |
| 2. File Handling | CSV, Binary Files | 15 marks | [📥 PDF] | [▶ Watch] |
| 3. Data Structures | Stacks, Queues | 20 marks | [📥 PDF] | [▶ Watch] |
Advanced Concepts
| Chapter | Key Topics | Marks Weightage | Download | Video Guide |
|---|---|---|---|---|
| 4. Database & SQL | MySQL-Python | 18 marks | [📥 PDF] | [▶ Watch] |
| 5. Boolean Algebra | Logic Gates | 12 marks | [📥 PDF] | [▶ Watch] |
| 6. Networking | Protocols, HTTPS | 10 marks | [📥 PDF] | [▶ Watch] |
🔗 Download Complete Package: [Python Programs + Theory Notes]
💻 CBSE 2025 Exam Pattern
| Section | Type | Marks | Time |
|---|---|---|---|
| Theory | MCQs + Short/Long Answer | 70 | 3 hrs |
| Practical | Program + SQL + Project | 30 | 3 hrs |
Marking Scheme
Theory Paper (70 Marks)
| Section | Question Type | Marks | Topics Covered | Time Allocation |
|---|---|---|---|---|
| A | MCQs (20 Qs) | 20 | OOP, Boolean Algebra, Networking | 30 mins |
| B | Short Answer (5 Qs) | 15 | Programming Concepts, SQL | 40 mins |
| C | Long Answer (3 Qs) | 21 | File Handling, Data Structures | 50 mins |
| D | Case Study (1 Q) | 14 | Integrated Python+SQL Problem | 30 mins |
Practical Exam (30 Marks)
| Component | Marks | Evaluation Criteria |
|---|---|---|
| Python Program | 10 | – Correct Logic (4) – Output Accuracy (3) – Code Formatting (3) |
| SQL Queries | 8 | – Query Accuracy (5) – Result Display (3) |
| Project | 7 | – Functionality (4) – Documentation (3) |
| Viva Voce | 5 | – Concept Clarity (3) – Problem-Solving (2) |
🐍 Must-Practice Python Programs
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Stack Implementation (Using Lists/Classes)
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Student Record System (File Handling + OOP)
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MySQL-Python Connectivity
# Sample File Handling Program import csv def write_to_csv(): with open('data.csv','w',newline='') as f: writer = csv.writer(f) writer.writerow(["Roll","Name","Marks"]) writer.writerow([1,"Rahul",95])
📥 Free Resources
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[150+ Python Programs PDF]
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[SQL Cheat Sheet]
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[CBSE Sample Papers 2025]
❓ FAQs
Q: How to score full in practicals?
A: Practice these daily:
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2 file handling programs
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1 SQL query set
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Project code testing
Q: Best Python IDE for CBSE?
A: Use IDLE/Thonny (Board-recommended)