Class 12 Network and Communication Technology Revision Notes

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A Network is a collection of interconnected autonomous computers. A Computer which is a part of a network is known as Node or Workstation. The benefits of a network are Resource Sharing, Increased Reliability, Cost Reduction and Effective Communication.
 
Types of Network: Following types of network exist
1. LAN (Local Area Network)
2. MAN (Metropolitan Area Network
3. WAN (Wide Area Network)
4. PAN (Personal Area Network)
 
Topology:

It is termed as the physical arrangement of computers in a network viz Bus, Ring, Star, Mesh
 
Class 12 Network and Communication Technology Revision Notes
Protocol
Set of rules to govern communication between two computers in a network viz TCP/IP, PPP etc
 
Class 12 Network and Communication Technology Revision Note
Class 12 Network and Communication Technology RevisionNotes
 

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