Internet Terms Starting from W, X

XHTML

1. Stands for "Extensible Hypertext Markup Language." 
2. XHTML is a spinoff of the hypertext markup language (HTML) used for creating Web pages.
3. It is based on the HTML 4.0 syntax, but has been modified to follow the guidelines of XML, the Extensible Markup Language.
4. XHTML 1.0 is sometimes referred to as HTML 5.0.
5. XHTML pages must have perfect syntax. This means no missing quotes or incorrect capitalization in the markup language. 

Web Server
 

1. A Web server is a computer system that hosts websites. I
2. It runs Web server software, such as Apache or Microsoft IIS, which provides access to hosted webpages over the Internet. 
3. A fast Internet connection allows Web servers to support multiple connections at one time without slowing down.
4. Any computer can be used as a Web server, as long as it is connected to the Internet and has the appropriate software installed. 
5. However, most Web servers are 1U rack-mounted systems, meaning they are flat, trimmed down computers that can be mounted on a server rack. Most Web hosting companies have several server racks, which each contain multiple servers. This is the most space-efficient way to host a large number of websites from a single location.
6. Web servers typically host multiple websites. 
7. Web servers that host websites for multiple users are called "shared hosts." This is the most common type of hosting solution and is used for personal sites, small business sites, and websites run by small organizations.
8. Web servers that only host websites for a single person or company are called "dedicated hosts." These types of servers are appropriate for high-traffic websites and sites that require custom server modifications. 
9. Dedicated hosts are also more reliable than shared hosts

Web Host

1. In order to publish a website online, you need a Web host. 
2. The Web host stores all the pages of your website and makes them available to computers connected to the Internet. The domain name, such as "sony.com," is actually linked to an IP address that points to a specific computer. When somebody enters your domain name into their browser's address field, the IP address is located and Web site is loaded from your Web host.
3. A Web host can be hosted from anywhere from one to several thousand computers that run Web hosting software, such as Apache, OS X Server, or Windows Server. 
4. Most websites you see on the Web are accessed from a "shared host," which is a single computer that can host several hundred Web sites. 
5. Larger websites often use a "dedicated host," which is a single machine that hosts only one website. Sites with extremely high amounts of traffic, such as apple.com or microsoft.com, use several computers to host one site.
6. If you want to publish your own website, you'll need to sign up for a "Web hosting service." Finding a good Web host shouldn't be too hard, since their are thousands available. Just make sure the Web host you choose offers good technical support and ensures little or no downtime. You'll usually have to pay a monthly fee that varies depending on how much disk space and bandwidth your site will use. So it's a good idea to estimate how big your site will be and how much traffic you expect before signing up for a Web hosting service.

Web 2.0
 

1. Web 2.0 is term that was introduced in 2004 
2. Refers to the second generation of the World Wide Web. 
3. The term "2.0" comes from the software industry, where new versions of software programs are labeled with an incremental version number. 
4. However, Web 2.0 does not refer to a specific version of the Web, but rather a series of technological improvements.Some examples of features considered to be part of Web 2.0 are listed below:

Blogs - also known as Web logs, these allow users to post thoughts and updates about their life on the Web.
Wikis - sites like Wikipedia and others enable users from around the world to add and update online content.
Social networking - sites like Facebook and MySpace allow users to build and customize their own profile sand communicate with friends.
Web applications - a broad range of new applications make it possible for users to run programs directly in a Web browser.

1. Web 2.0 technologies provide a level user interaction that was not available before. 
2. Websites have become much more dynamic and interconnected, producing "online communities" and making it even easier to share information on the Web.

WAIS
 

1. Stands for "Wide Area Information Server." 
2. This is a program that can index enormous amounts of information and make it searchable across large networks (including the Internet). 
3. People can search the WAIS index and it will return results by relevance. Searches can then be narrowed down by subsequent searches on the original results. 
4. Search engines are a new and improved version of WAIS, specifically for the Web.

W3C
 

1. Stands for "World Wide Web Consortium." 
2. The W3C is an international community that includes a full-time staff, industry experts, and several member organizations. 
3. These groups work together to develop standards for the World Wide Web. 
4. W3C also provides standards for Web graphics (such as PNG images), as well as audio and video on the Web. 
5. The organization also develops standards for Web applications, Web scripting, and dynamic content. 
6. Additionally, the W3C provides privacy and security guidelines that websites should follow.

Wiki
 

1. A wiki is a Web site that allows users to add and update content on the site using their own Web browser. 
2. A great example of a large wiki is the Wikipedia, a free encyclopedia in many languages that anyone can edit. 
3. The term "wiki" comes from the Hawaiian phrase, "wiki wiki," which means "super fast." I guess if you have thousands of users adding content to a Web site on a regular basis, the site could grow "super fast."

WWW

1. Stands for "World Wide Web." 
2. It is important to know that this is not a synonym for the Internet. 
3. The World Wide Web, or just "the Web," as ordinary people call it, is a subset of the Internet. 
4. The Web consists of pages that can be accessed using a Web browser. 
5. The Internet is the actual network of networks where all the information resides. 
6. Things like Telnet, FTP, Internet gaming, Internet Relay Chat (IRC), and e-mail are all part of the Internet, but are not part of the World Wide Web. 
7. The Hyper-Text Transfer Protocol (HTTP) is the method used to transfer Web pages to your computer. 
8. With hypertext, a word or phrase can contain a link to another Web site. 
9. All Web pages are written in the hyper-text markup language (HTML), which works in conjunction with HTTP.