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CBSE Class 12 Computer Science

Score 95+ in CBSE Class 12 CS with Python & SQL

Board CBSE
Language Python
Total Marks 70 (Theory)
Key Topics Python, SQL, Data Structures, Networking

Preparation Roadmap

Follow these steps to prepare systematically

1
Month 1-3

Python Programming

Functions, file handling, data structures (stack using list), exception handling. Practice writing programs by hand.

2
Month 2-4

SQL & Database Concepts

CREATE, INSERT, SELECT, UPDATE, DELETE, JOIN, GROUP BY, HAVING, ORDER BY. Practice queries on paper.

3
Month 3-5

Data Structures & CSV

Stack implementation using list, CSV file reading/writing with Python. Understand push, pop, and display operations.

4
Month 4-5

Networking & Boolean Algebra

Network topologies, protocols, HTML basics, Boolean laws, K-maps, logic gates. Theory-heavy but scoring.

5
Month 5-6

Sample Papers & Practice

Solve CBSE sample papers and previous years. Practice writing code on paper — no IDE help in the exam.

Recommended Resources

  • Sumita Arora — Computer Science with Python
  • NCERT Computer Science Class 12
  • CBSE Sample Papers
  • Preeti Arora — CS with Python
  • W3Schools for SQL practice

Pro Tips

  • SQL queries are easy marks — practice 50+ queries
  • Write Python code neatly with proper indentation on paper
  • Stack questions follow a fixed pattern — memorize the template
  • Boolean algebra and networking are pure theory — revise notes