Page 2 - Class XII Computer Science - Network Concepts

Computer Network

A computer network is a set of nodes like computers

and networking devices that are connected through

communication for the purpose of communication and

sharing resources(hardware/software) among the

users.

Networks are used to:

(Benefits of computer network)

• Facilitate communication through email / video

conferencing / instant messaging or any other mode.

• Share hardware devices like a printer or scanner

• Enable file sharing

• Share software or operating programs

• Share information

Disadvantages of computer network

Lack of robustness, security issue, cost of network

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Class XII - Computer Science