The wireless LAN (Wi-Fi network) in your home is a good example of a small server. The various devices in your home are connected wirelessly to the router, which acts as a central node (server) for the home. The path itself is connected to a much larger network: the internet.
what do
you understand by the term computer network
Because the devices are connected to the way customers are,
they are part of the internet and can use the same resource as the server, that
is the internet. The devices can also communicate with each other without
establishing a direct connection to each device. For example, you can send
print jobs to a Wi-Fi printer without connecting the printer to the computer
with a cable.
Before the advent of modern networks, communication between
different computers and devices was complex. Computers were connected by LAN
cable. Mechanical switches were used so that margins could also be shared. Due
to physical limitations (cable length), the machines and computers had to be
very close to each other.
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