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1 Computer Networking
Your Aim
to learn about:
l Computer Network l Need for Computer Network
l Advantages of Computer Network l Components of a Network
l Network Terminologies l Devices Required for a Network
l Types of Networks l Topology
l Network Architecture l Wireless Networking Technology
l Protocol
The process of connecting computers and peripheral devices with each other, so that they can
exchange data is called computer networking. Various hardware devices, protocols and software
are required for networking. In this chapter you are going learn about networking and the
concepts related to computer networking.
COMPUTER NETWORK
A computer network is a group of interconnected computer systems and other computing
devices.
Computer Network
The computers on the network can communicate with each other as well as work independently.
Each computer in a network is called a node. The computers in the network maybe linked through
a cable, hub, switch, NIC (Network Interface Card), modem or router.
Computer Networking 7

