Class 12 · Computer Science · Chapter 9

PYQ Ch 9 Computer Networks II: Devices, Topologies and Types: complete notes

Neat, exam-ready notebook-style notes for PYQ Ch 9 Computer Networks II: Devices, Topologies and Types, following your NCERT book. This chapter is part of the complete Class 12 Computer Science PYQ Book: Solved Board Papers 2024-2026 (CBSE).

What you get in the pack

• CBSE Class 12 Computer Science board papers 2024 to 2026 (3 full board papers)
• All 14 chapters and 3 board papers complete
• Part A: all 14 chapters, questions sorted chapter-wise and by marks
• Year-wise weightage table and most-asked topics for every chapter
• Part B: each full board paper followed by its complete solutions
• Full programs; every output traced and verified by running the code
• Only the current syllabus in Part A

All chapters in this pack

1. PYQ Ch 1 Python Revision Tour
2. PYQ Ch 2 Functions
3. PYQ Ch 3 Exception Handling
4. PYQ Ch 4 Text Files
5. PYQ Ch 5 Binary Files
6. PYQ Ch 6 CSV Files
7. PYQ Ch 7 Stack
8. PYQ Ch 8 Computer Networks I: Evolution and Data Communication
9. PYQ Ch 9 Computer Networks II: Devices, Topologies and Types
10. PYQ Ch 10 Network Protocols and Web Services
11. PYQ Ch 11 Database Concepts
12. PYQ Ch 12 SQL: DDL, DML and Queries
13. PYQ Ch 13 SQL: Aggregates, Grouping and Joins
14. PYQ Ch 14 Interface of Python with MySQL
15. Board Paper 2026 Set 91 with Solutions
16. Board Paper 2025 Set 91 with Solutions
17. Board Paper 2024 Set 91 with Solutions