1. Advantages & disadvantages of networks
And
Application of networks

2. Advantages of networks
1.
Resource sharing: the main goal is to make all
2.
High reliability: goal of computer network is to
3.
Easy communication: it is very easy to
programs, equipment, and data available to anyone on
the network. People can find and share information
and data because of networking.
provide high reliability by having alternative source of
supply, the presence of multiple CPUs means that, if
one goes down, the other may be able to take over it
works, although at reduced performance.
communicate through a network. Network provide a
powerful communication medium people can enjoy
benefits of e-mails, instant messaging , videoconferencing etc.

3. 4.
Speed: Sharing and transferring files within networks is
very rapid, depending on the type of network. This will
save time while maintaining the integrity of files.
5.
Communication medium: network can
provide a powerful communication medium
among widely separated users giving the virtual
absence of geographical boundaries.
6.
hardware sharing: ability to share hardware.
For an example, a printer can be shared among
the users in a network so that there’s no need to
have individual printers for each and every
computer in the company. This will significantly
reduce the cost of purchasing hardware.

4. Disadvantages
1.
Crashes: when the server crashes, works get
disrupted as all network resources and its benefits
are lost, the crash may result in the loss of day’s
and even month’s of critical data and time.
2.
Data security: there is danger of hacking.
There are hackers who are trying to steal valuable
data of large companies for their own benefit.
3.
Privacy: a network also mean loss of privacy as
anyone, especially your boss, with the right
network privileges may be in a position to read
your private e-mails.

5. Network applications


Electronic mail: e-mail is a method of sending
and receiving messages electronically over a
computer. E- mail is a system allows a person to
electronically communicate to others through
internet. The message is send in the digital form
which is a machine readable and it is stored in the
mail boxes of the receiver.
Video conferencing: it enables direct face-to-face
communication. A video conferencing system have
the ability to communicate using a combination of
video, audio and data five elements are common in
all v.c endpoints : camera, visual display, audio
system, compression, user interface and control.

6. 
Electronic data interchange: it refers to the
structured transmission of data bw organizations
by electronic means. It is used to transfer
electronic documents from one computer to
another.
Advantages of EDI:





Paperless
Reduced data handling cost
Error less
Speed
Electronic fund transfer: it refers to the
comp-based systems used to perform
financial transactions electronically. It
provides for electronic payment & collections.

7. 
Distance learning: it is the process of creating
an educational experience of equal qualitative
value for the learner to best suits their needs
outside the classroom.

Telecommuting: it is a work arrangement in
which employees enjoy flexibility in working
locations and hours, the daily commute to a
central place of work is replaced by
telecommunication links.