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Class 9 Computer Applications
CBSE 2026–27 · 6 chapters · concept notes, NCERT solutions, examples & practice
- 1Unit 1 — Basics of Information Technology: computer system, memory, input/output devices, software
- 2Unit 1 — Types of networks (LAN, MAN, WAN), internet basics and services
- 3Unit 2 — Cyber safety: safe browsing, identity protection, confidentiality, social networks, cyber trolls
- 4Unit 3 — Office tools: word processing, electronic spreadsheets, digital presentations
- 5Unit 4 — Scratch / Python (block-based or textual) — algorithms, sequencing, loops, variables
- 6Practical — Office tool assignments, cyber safety poster, simple program and lab record