Computer network is a set of nodes connected by communication links to perform the delivery of a set of information.
Nodes: a node can be a computer, printer, or any other device capable of sending or receiving data generated by other nodes in the network.
Example: computer, server, printer, CCTV, switches, bridges, routers, etc.
Communication links: a communication link can be wired or wireless links.
- links carry the information.
- communication links can be wired or wireless link.
links(medium) can be wired or wireless. i.e cable, air, Bluetooth, etc.
- a computer network is used for resources sharing,
|End devices||Intermediate devices|
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