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A network is a system of interconnected nodes that exchange information, resources or
services. These nodes can be computers, people, organisations or places linked to enable
communication and interaction.

Networks can be classified into various types:

Computer networks connect devices to share data and Internet access.

Social networks link people for sharing information and staying connected.

Transportation networks connect locations through roads, railways and air routes to move
people and goods.

Overall, networks the backbone of connectivity. They improve efficiency, support collaboration
and enhance interaction across technology, society, transport and ecosystems.

COMPUTER NETWORKS

A computer network is a group of computers
and other devices (such as printers, smartphones

and tablets) connected to share resources and
information. Networks allow devices to communicate
with each other, share files and access the internet.
Computer networks make everyday tasks easier and
improve the speed and efficiency of communication.

PURE
The first computer network was
developed in the 1960s. FACT

ADVANTAGES OF COMPUTER NETWORKS

Some advantages of computer networks are as follows:
They allow users to share data, software and hardware devices.
They help reduce costs as the same devices can be used by many users.

Communication becomes faster and easier through emails, chats and online tools.
If some computers fail, data can still be accessed from other devices on the network.

NETWORKING TERMINOLOGIES
Some commonly used networking terms include:

Client: This is a system or device that uses services and resources provided by a server
in a network.

8 Computer Science (V5.0)-VIII