A network structure is made up of minimum two or more
computers or nodes that are connected in an organized way to share resources,
exchange files and allows electronic communications. The computers on network
are generally linked though cables, radio waves, telephone lines, infrared
light beams, or satellites. A network may be defined as a multipurpose
connection, which allows an individual computer to do more.
The computer networks are required for the following
reasons:
1. File sharing: Networks allows us to
share data among the computers of other networks making the files available to
one and all at any time, wherever required. The data becomes available to each
one who is a component of the network.
2. Resource sharing: Resources like the
printer, servers and the internet are shared among these networks. It helps in
reducing the cost but increasing the data and resource availability.
3. Communication and
collaboration: Being a component of the network means we are able to unite
with different services and computers of different networks, thus increasing
the communication with the rest of the humankind.
4. Remote access: Remote access allows us
to access the resources remotely from anywhere without being present at the place
where the computer is. This makes accessing the resources easy.
For more details go through the given video lecture.
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