Internet Services

Type of internet service :

1. World Wide Web (WWW)
2. e-mail
3. Instant Messaging
4. Voice over Internet Protocol (VoIP)
5. Message Board
6. File Transfer Protocol

World Wide Web (WWW)

• The world Wide Web, or Web, consist of a worldwide of electronic document
• Each electronic document on the web is called web page which contain text, graphics, animation, audio, and video
• Web page usually have built-in connection to other documents
• Some web pages are static (fixed); others are dynamic (changing).
• Visitors to a static web page see all  the same content.
• Visitors to a dynamic web page, can customize some or all of the viewed content such as desired stock quotes, weather for a region or ticket availability for flights.
• A Web site is a collection of related Web pages and associated items, such as documents and pictures, stored on a Web server.
• Web 2.0 refer to Web sites that provide a means for users to share personal information, allow users to modify Web site content and have application software built into the site for visitors to use.
• Web server is a computer that delivers requested Web pages to your computer.

E-mail

>The transmission of messages and files via a computer network

• Consist of simple text or can contain attachments, such as documents, graphics, or audio/video clips.
• Some Web sites , such as 'Google' and 'Yahoo!' provide free e-mail services

>E-mail adress

• An e-mail address is a unique name that consists of a user name and domain name that identifies the user.
• Basic form of an e-mail:

                 username@hostname.subdomain.domain     

• A user name is a unique combination of characters, such as letters of the alphabet and/or numbers, that identifies a specific user.
• User name must be different from the other user names in the same domain.

Instant Messaging

>A real-time Internet communications service that notifies you when one or more people are   online and allows you to exchange messages or files or join a private chat room with them.

• Real time means that you and the people with whom you are conversing are online at the same time. 

• Some IM services support voice and video conversations.
• For IM to work, both parties must be online at the same time.

>Popular IM software includes:

• AIM (AOL Instant Messenger)
• Google Talk
• MySpace IM
• Windows Live Messenger
• Yahoo! Messenger

Voice over Internet Protocol (VoIP)

>Voice over Internet Protocol, a technology for making telephone calls over the Internet in       which speech sounds are converted into binary data.

• To connect a calling party to one or more local or long distance called parties.
• VoIP services are also available on some mobile services that have wireless Internet service.

Message Board

>Type of discussion group.

Fail Transfer Protocol

>Is an Internet standard that permits file uploading and downloading with other computers       on the Internet.

• Uploading is the process of transferring documents, graphics and other objects from your computer to a server on the internet.
• FTP is one method, users have to transfer webpages files from their local machine to the server. 
• An FTP server is a computer that allows users to upload and/or download file using FTP.

Summary