Question
· What is the internet?
· How does WWW work?
· How does a browser view web pages?
· How does a browser know how to display a page.
· Who makes up all these web rules?
Answer
· What is the internet?
The internet or World Wide Web (WWW) is most often called the Web.
The internet is a network of computers all over the world.
All the computers in the Web can communicate with each other.
All the computers use a communication standard called HTTP.
http:// is the communication standard. www tells it to look on the web for the requested information.
Web information is stored in documents called Web pages.
Web pages are files stored on computers called Web servers.
Computers reading the Web pages are called Web clients.
Web clients view the pages with a program called a Web browser.
Popular browsers are Internet Explorer, Opera and Netscape Navigator.
· How does a browser view web pages?
A browser views a Web page from a server by a request.
A request is a standard HTTP request containing a page address.
A page address looks like this: http://www.jpmk12.com/.
· How does a browser know how to display a page.
All Web pages contain instructions for display
The browser displays the page by reading these instructions.
The most common display instructions are called HTML tags.
HTML tags look like this
<p> This is a Paragraph<p> produces This is a Paragraph
.
There are many sections on JPMK12.net devoted to html and teaching designers how to create pages in html.
· Who makes up all these web rules?
The Web standards are not made up by Netscape or Microsoft.
The rule-making body of the Web is the W3C.
W3C stands for the World Wide Web Consortium.
W3C puts together specifications for Web standards.
The most essential Web standards are HTML, CSS and XML.
The latest HTML standard is XHTML 1.0.