So, i'll continue my sharing about computer science as usually. :)
And today, the topic is about 'Internet Service and Type of Web Sites'.
In this modern world, the Internet has become essential to living, working and easily communicating with people, whether in the next room or on the other side of the world. Some important services provided by the Internet have become commonplace, like World Wide Web (www), email, instant messaging and others. These now common services allow people to become a part of the much bigger world. Communication, education, e-commerce and unlimited access to information found on the Internet provide innumerable benefits.
Type Of Internet Service
1. World Wide Web (WWW)
- Each electronic document on the Web is called a Web Page which can contain text, graphics, animation, audio, and video.
- Web pages usually have built-in connections 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 Server is a computer that delivers requested Web pages to your computer.
- 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.
2. E-mail
What is E-mail?
- Short for electronic 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.
- 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 email address is : 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.
3. Instant Messaging
What is Instant Messaging (IM)?
- 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. - Old Instant Messaging (IM) that used to be popular:
- AIM (AOL Instant Messenger)
- Google Talk
- MySpace IM
- Windows Live Messenger
- Yahoo! Messenger
- Facebook Messenger
- QQMobile
- Skype
4. Voice over Internet Protocol (VoIP)
What is VoIP?
- Voice over Internet Protocol, a technology for making telephone calls over the Internet in which speech sounds are converted into binary data.
- VoIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet.
- Also called Internet Telephony.
- To connect a calling party to one or more local or long distance called parties.
- To place an Internet telephone call, you need:
- A high-speed Internet connection (such as DSL or Cable Modem),
- Internet telephone service,
- A microphone or telephone
- Internet telephone software or VoIP router.
5. Message Board
What is Message Boards?
- Type of discussion group.
- Many web sites use message boards because they are easier to use.
- Also known as discussion group, discussion forum and online forum.
- A general term for any online "bulletin board" where you can leave and expect to see responses to messages you have left.
- A popular Web-based type of discussion group that does not require a newsreader.
6. File Transfer Protocol (FTP)
- Is an Internet standard that permits file uploading and downloading with other computers on the Internet.
- A standard for the exchange of program and data files across a network.
- 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.
- An FTP site is a collection of file including text, graphics, audio clips, video clips and program files that reside on an FTP server.
- Some FTP sites restrict file transfers to those who have authorized accounts on the FTP server.
- Web developing programs like Dreamweaver can also be used to establish an FTP connection to a server.
- FileZilla is an FTP program for file uploading and downloading to and from your FTP site, server, or host.
- The program lets you transfer files and navigate among folders, Web sites, and your computer.
- This software enables you to perform multiple file transfers simultaneously.
SUMMARY
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