chapter 2

Internet is launched in 1969 with ARPANET. It consist actual physical network made up of wire, cables, and satellites. When it connected it call online. Web was introduced by CERN in 1992 and it provides a multimedia interface to internet resource. The most common is :
• Communication
• Shopping
• Searching
• Entertainment
• Education

To connect the internet is easy like connect to phone. When it connected, it can access to any other computer in the world. After that use browser to search or find information. To most common way to access is use ISP (internet service providers). The most widely used commercial ISP is :
• National service providers
• Wireless service providers

Browser provided us access to web resource. So that, to open or transfer file, display text and image can be easy. It also allow to surf internet and explore from one web sites to another web site. Some related terms is :
• URL
• HTML
• Applets

Communication cannot be overestimated. It provide connect to other people. We can use
• Email
• Instant message
• Social network

Search tool is help us to find any information. It maintain with huge databased relating to web site content. There have many search service :
• Search engine
• Metasearch engine
• Specialized engine
• Content evaluation

Electric commerce or e-commerce helps us to buying or selling any things in the internet. There have many e-commerce such as :
• Business-to-business
• Consumer-to-consumer
• Security

Examples :
1. Ecash
2. Google
3. Internet cash
4. Paypal


Web utilities is the special utility programs. It make using internet and web more safer and easier .

Web-based application free users from owner and storing application.

FTP is file transfer protocol. It allow downloading file from the internet.

Plug-in are automatically load and operate as part of browser.

Filter is used to block certain sites.

Internet security is to protect our privacy at websites.

Can be webmaster in IT career.