Q1
What does WAN stand for?
AWide Area Network
BWireless Area Network
CWorld Access Network
DWeb Application Network
ICSEClass 7 (ICSE)Computer ApplicationsCh 1 · Topic 1
Topic 1: WAN and the Worldwide Web
A WAN (Wide Area Network) connects computers across large distances, and the Worldwide Web is a system of linked web pages accessible throug
Core concept
A WAN connects computers over large geographic areas, like across cities or countries, unlike a LAN which covers a small area.
How it works
The internet itself is the largest WAN, connecting networks all around the world.
Why it matters
The Worldwide Web (WWW) is a system of interconnected web pages and documents, accessed using web browsers over the internet.
Key detail
While people often use 'internet' and 'web' interchangeably, the internet is the network infrastructure, while the web is a service that runs on it.
Exam highlight
Key diagram
- A diagram showing multiple LANs (schools, offices) connected together to form a larger WAN/internet.
Keywords worth remembering
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Notes & downloads
Quick notes
• A WAN connects computers over large distances.
• It covers cities, countries or more.
• The internet is the largest WAN.
• The Worldwide Web is a system of linked web pages.
• We access it using web browsers.
• The web runs over the internet.
• Internet is the infrastructure; web is a service on it.
• People often use the terms interchangeably.