PREVIEW TOPIC IN SUBJECT SCIENCE COMPUTER DC025

TOPIC: THE WEB AND ITS TYPES

 The Web 

• Web page is an electronic document on the Web, which can contain text, graphics, animation, audio,    and video.

• Web site is a collection of related Web pages and associated items such as documents and pictures,      stored on a Web server.

• Web is a worldwide collection of electronic documents.

 Types of Web sites

• Portal

• Blog

• Wiki

• Online Social Network

• Business

 Types of Web sites : Portal

• A Web site that offers a variety of Internet services from a single, convenient location.

• It is like a one stop center where we can get everything from one place.

• Services offered by portals:

 - Search engine and/or subject directory

- News

- Sports and weather

- Email and other communication services

- Web publishing

- Reference tools (such as yellow pages, stock quotes, and maps)

- Shopping

• Many portals have online communities.

• Online community.

- A Web site that joins a specific group of people with similar interests or relationships.

- Offer online photo albums, chat rooms, and other services to facilitate communications among             members.

• Examples of public portals:

- Google

- Yahoo!

- Excite

- GO.com

- Lycos

- MSN

 Types of Web sites: Blog

• An informal Web site that consists time-stamped articles in a diary or journal format, usually listed in reverse chronological order.

• Reflects the interest, opinions and personalities of the author and sometimes site visitors.

• Related terms:

 - vlog: a video blog (a blog that contains video clips)

- Microblog: allows users to publish short messages (ex: Twitter)

- Blogosphere: worldwide collection of blogs

- Vlogosphere: all vlogs worldwide.

- Blogger: blog author

 - Vlogger: vlog author

• Purpose of blogs:

- Businesses create blogs: to communicate with employees, customers, and vendors.

- Teachers create blogs: to collaborate with other teachers and students.

- Home users create blogs:  to share aspects of their personal life with family, friends, and others.

 Types of Web sites: Wiki

• A collaborative Web site that allows users to create, add to, modify, or delete the Web site content       via their Web browser.

 • Open to modification by the general public.

 • Wikis usually collect recent edits on a Web page so someone can review them for accuracy.

• Difference between wiki and blog:

- Wiki contents can be modified by anyone.

- Blog contents can only be modified by the blogger.

• Examples of wiki:

- Wikipedia

- WikiHow

Types of Web sites: Online Social Network

• A Web site that encourages members in its online community to share their interests, ideas, stories,      photos, music, and videos with other registered users.

• Popular social networking Web sites include MySpace and Facebook, with Facebook alone                 boasting more than 300 million active users.

• In some social networking Web sites, such as Second Life, users assume an imaginary identity and     interact with other users in a role-playing type of environment.

• A media sharing Web site is a specific type of online social network that enables members to share     media such as photos, music, and videos.

• Flickr, Fotki, and Webshots: popular photo sharing communities.
  PixelFish and YouTube: popular video sharing communities.

Types of Web sites: Business

• A Web site that contains content that promotes or sells products or services.

• Nearly every business has a business Web site.

• Many of these companies also allow you to purchase their products or services online.

• Examples:

- Malaysia Airlines Online Booking Website

- Trivago