Internet and Web
CBSE · Class 12 · Informatics Practices
Step-by-step guide to study Internet and Web in CBSE Class 12 Informatics Practices. Topics to cover, practice strategy, and time allocation.
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Study Plan
Learn the Theory
Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.
Practice Problems
Solve textbook exercises and additional practice questions. There are 60 questions available for this chapter.
Revise & Test
Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.
Spaced Revision
Revisit Internet and Web after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.
What to Focus On
- A network is an interconnection of two or more similar things or people.
- A computer network connects two or more computers or computing devices.
- Networks help in sharing data and resources.
- LAN covers a limited area and can extend up to 1 km.
- LAN data transfer rate varies from 10 Mbps to 1000 Mbps.
- MAN covers a city or town and extends up to 30–40 km.
- Modem converts digital data and analog signals.
- NIC is a wired network adaptor with a unique MAC address.
- Repeater regenerates weak signals on a cable.
Common Mistakes to Avoid
The Internet and the Web are the same thing.
A URL and a URI are exactly the same.
A hub and a switch do the same job in the same way.
Memory Tips
Network definition
Computer network definition
LAN, MAN, WAN classification
LAN limits and speed
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Internet and Web
Practice Quiz
Test yourself with a quick quiz
Important Questions
Practice with board exam-style questions
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect visually
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
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Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for CBSE Class 12 Informatics Practices.