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CBSE 2026

Computer Science Notes

These Class 12 Computer Science notes are prepared strictly according to the CBSE 2026 syllabus. The notes cover all important chapters including Python Revision Tour, Working with Functions, File Handling, Exception Handling, Data Structure, Computer Network, MySQL Database and Interface Python with MySQL . Each chapter is explained in a simple, exam-oriented manner with examples, definitions, and key points to help students score better in board exams. These notes are useful for revision, self-study, and last-minute preparation.

Class 12 CS Class 12 IP Class 11 CS Class 11 IP
Unit 1 : Chapter 1

🐍 Python Revision Tour I

Review of Class 11 concepts: tokens, barebones, variables, input/output, data types, mutable/immutable types...

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Unit 1 : Chapter 2

🐍 Python Revision Tour II

Review of Class 11 concepts: strings, lists, tuples, dictionaries, sorting.

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Unit 1 : Chapter 3

Working with Python Function

Scope, LEGB rule, passing arguments, and import statements.

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Unit 1 : Chapter 4

File Handling in Python

Text, Binary, and CSV file operations with Python.

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