What are the goals of establishing computer networks ?

What are the goals of establishing computer networks ?

Ans. Some of the network applications in different fields are as follows –

  1. Marketing and Sales – Computer networks are widely used in both marketing and sales firms. These are used by the marketing professionals to collect, exchange, and analyse data relating to customer requirements and product development cycles. Teleshopping is also an important part of sales applications, that uses order-entry computers or telephones connected to an order-processing network, and on-line reservation services for hotels airlines, and so on.
  2. Manufacturing – Now a days, computer networks are used in several aspects of manufacturing the manufacturing process itself. Two applications which use a network to provide necessary services are computer-assisted manufacturing (CAM) and computer-assisted design (CAD), both of which permit multiple users to work on a project simultaneously.
  3. Financial Services – In present, financial services are completely dependent on computer networks. Main applications are credit history searches, foreigh exchange and investment services, and electronic funds transfer (EFT) that permits a user to transfer money without going into a bank.
  4. Teleconferencing – With the help of teleconferencing, conferences are possible to occur without the participants being in the same place. Applications include simple text conferencing, voice conferencing, and video conferencing.
  5. Cable Television – Future services provided by cable television networks can include video on request, as well as the same information, financial and communications services currently provided by the telephone companies and computer networks.
  6. Information Services – Network information services include bulletin boards and data banks. A world wide web (WWW) site offering the technical specifications for a new product is an information service.
  7. Electronic Messaging – Electronic mil (e-mail) is the most widely used network application.
  8. Electronic Data Interchange (EDI) – EDI permits business information to be transferred without using paper.
  9. Directory Services – By using directory services, it is possible to store the list of files in a central location to speed up worldwide search operations.
  10. Cellular Telephone – In the past, two parties desiring to use the services of the telephone company had to be linked by a fixed physical connection. But, in present cellular networks make it possible to maintain wireless phone connections even while travelling over large distances.

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