Internet

Introduction
The Internet is the largest computer network in the world, connecting millions of computers. A network is a group of two or more computer systems linked together. Connection of millions of Domain (org, net, gov , mil, edu , com) and Public Network.The Internet is the largest computer network ,The Internet is the largest computer network in the world, connecting millions of in the world, connecting millions of computers. A network is a group of two or computers. A network is a group of two or more computer systems linked together. more computer systems linked together. Internet is defined as international network Internet is defined as international network that integrates the computer to form a that integrates the computer to form a global network structure. So it is also called global network structure. So it is also called the network of various networks. Now a the network of various networks. Now a day, it is very essential for all types of day, it is very essential for all types of business, academic institution, hospitals, business, academic institution, hospitals, banks etc. banks etc.

Business Use of Internet

• Information
• e-Mail
• Communication
• Entertainment
• Education
• Research
• Marketing
• Training

Intranet
The private network structure is intranet. It may exist as LAN or WAN or other form. But it is secured isolated private network structure.

Benefits of an Intranet

• Publishing
• Document Management
• Training
• Workflow
• Front-end to corporate systems
• Email
• Better internal communications
• Sharing of resources and best practice
• Improved customer service
• Reduction in paperwork

What is Extra-net?
An extranet is similar to an intranet but it is made accessible to selected external partners such as business partners, suppliers, key customers, etc , for exchanging data and applications and sharing information. As with an intranet, an extranet can also provide remote access to corporate systems for staff who spend lots of time out of the office, for instance those in sales or customer support or home workers.

e-Mail

• “electronic mail,” is the process of sending and receiving messages over the Internet
• e-Mail Address contains: Name and Domain Name
• For eg. [email protected] here, ram is name and ntc.net.np is domain.

Business Application of Computer Networks

Some Questions

1. What is Internet? What are the different types of services provided by the Internet?

2. Differentiate between Internet and Intranet?

3. What is e Mail ? What is the use of e mail in modern days?

4. What is social media? Why it is important in these days?