When data
transmission(Audio/Video/Files) takes place only between two or more
computer through a communication medium such as Wires/Cables is known as a
Computer Network.
When data transmission(Audio/Video/Files) takes place only between two or more Mobile
devices through a communication medium such as Wires/Cables is known as a
Mobile Network.
When data
transmission(Audio/Video/Files) takes place between Computers and Mobile
devices through a communication medium such as Wires/Cables is known as a
Device Network
Computer Network : Sample
Sender, Receiver,
Communication medium/Channel, Protocol and Message are the five components
of any computer network. The sender is one who sends the data packets
through the communication medium by following protocols and the data packets
are received by the receiver.
Hence, a network can
be defined as the set of devices(mobile/computer) connected through a
communication link.
Advantages : Computer
Networks
Computer Networks
allows users to transmit data from one end to other. Weather the network is
wired or wireless, it is capable of providing services to its users on
regular basis in an efficient, secure and fast manner. Some of the
advantages of computer networks are:
Data Communication.
Easy to establish connection.
Sharing of
Resources.
Fast.
Reliable.
High
Performance.
Flexible
Cost
effective
Disadvantages :
Computer Networks
With many
advantages, disadvantages comes too. Computer networks does possess a number
of disadvantages. Some of the disadvantages are:
Security is
always a major concern.
Less security means more prone to viruses
and malware.
Skilled
Workers required.
Initial
setup capital is high.
Applications :
Computer Networks
The concept of
computer networks is used widely. Some of the major fields where computer
networks can be applied peacefully are: