Class 12 Computer Science Notes (Python, File Handling, Stack, Networks, SQL): NCERT Solutions, CBSE PYQs 2024-2026 Fully Solved Skip to content
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Class 12 · Computer Science · CBSE

Complete Computer Science Notes for Class 12 (CBSE 083, 2026-27)

14 chaptersYour name on every page Notebook-style PDF NCERT based ★★★★★ 5/5
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What you get

  • For CBSE Class 12 Computer Science (083), 2026-27: all three units (Python 40, Networks 10, Database 20 marks)
  • All 14 chapters complete
  • Every program and every output verified by actually running the code; SQL outputs checked on sample tables
  • All NCERT exercises (Class XII, plus the Class XI Functions chapter) solved in full
  • Every CBSE board question of 2024, 2025 and 2026 (Set 4, Q.P. code 91) solved chapter-wise as per the official marking scheme
  • Network design case studies with cable-layout diagrams; SQL tables with worked outputs
  • Practice sets, 20 MCQs and 6 Assertion-Reason questions with answers in every chapter, plus a last-night summary
  • Single-column layout with clear code boxes, plus a print (B/W) version of every chapter

Chapters in this pack

  1. Python Revision Tour
  2. Functions
  3. Exception Handling
  4. File Handling: Text Files
  5. Binary Files (pickle)
  6. CSV Files
  7. Data Structure: Stack
  8. Networks I: Data Communication and Media
  9. Networks II: Devices, Topologies, Types
  10. Network Protocols and Web Services
  11. Database Concepts and the Relational Model
  12. SQL I: DDL, DML and Queries
  13. SQL II: Aggregates, GROUP BY, Joins
  14. Interface of Python with MySQL
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