Important of computer network

Answer 1

1.Resource sharing :

Computer networks provide shared access to resource to everyone on the network

2.high reliability:

A second goal is to provide high reliability by having alternative source of supply. For ex ,all files could be stored on two or more machine on the network .Even if one machine fails due to hardware problem, files can be retrieved from other machine

3.saving money:

PC's cheaper compare to mainframe, computer networks provide saving in cost as well as improve system performance by having large number of powerful PC

4.communication medium :

computer networks provides a powerful communication medium among widely separated people.

5.It increase system performance.As the work load is distributed among various computers performance is enhanced

Answer 2

• Share resources such as printer.
• Share data on a central server, where all data is collected.
• Communicate via e-mail.
• Exchange information via an internal network.
• Allow all staff access to the internet.
• Use the network and the Internet to allow staff access to business data from anywhere in the world
• Integrate the whole business operation into a networked operation, including sales activity, stock holding, quotations, ordering raw materials, control the production process, process invoices, process all the accounts, analyse business performance, quality control.