Internet Technology

Published on June 2016 | Categories: Documents | Downloads: 40 | Comments: 0 | Views: 354
of 17
Download PDF   Embed   Report

Comments

Content

Internet Technologies

INTRODUCTION

Topics to be Discussed
What is Internet ? What is WWW ? Working of the Web Elements of Web Page Browsers HTML HTML Editors

What is Internet ?
Internet is a network of networks. It connects millions of computers globally and provides world-wide communications to businesses, homes, schools and governments. These computers across the world are connected via telephone lines and satellite links.

What is Web?
World Wide Web (WWW) is a vast, everexpanding collection of online documents and information formatted in HTML and distributed over the Internet. The Web has become very popular because of its simple, graphical nature and easy accessibility due to the simple point and-click techniques used and Web browsers make it easy to access the World Wide Web.

Working of the Web
Web documents live on Computers that run HTTP servers. HTTP servers can be hosted on UNIX , Macintosh or PC¶s. Browser requests the Web page from the Web server. Server sends the HTML pages over the Internet to your computer. Browser interprets the data and displays it on your screen.

Working of the Web

Web Page & Home Page

Web Page : Document written in Web formatting language, HTML Home Page : This is the first page or the opening page of any web document.

Web Page & Home Page

Elements of Web Page
Text : This is simple 7-bit ASCII , which can be easily represented by using the keys available on a standard keyboard. Graphics : Graphics add life to the web pages and makes them interesting to browse. Links and URL¶s : Links are transporters of the Web. Links contain addresses of the Web files that they are referencing. Web address / site address is also known as URL (Uniform Resource Locator)

Examples of URL
http://www.ignou.org/courses.html WHAT: the file wanted is courses.html WHERE: the file is located at www.ignou.org HOW: hypertext transfer protocol (web formatted stuff)

Browser

It is a software program that allows you to easily display Web pages and navigate the Web They are of two types Text only E.g. Lynx Graphical E.g. Mosaic,Netscape Navigator , Internet Explorer

What is HTML ?

HTML: Hypertext Markup language which is used for creating hypertext on the Web.HTML documents are plaintext files. Markup Language: Special type of computer language meant for classifying parts of a document according to their function.

What is HTML ?

HTML documents contains two types of information: Static (which remains constant) Dynamic (which must be changed or updated regularly)

Benefits of HTML

Files are compatible with any browser as they are in ASCII text format. Creating web pages in HTML is easy as using a word processor.

Drawbacks of HTML

Because of the various tags the document looks confusing. The document appearance may differ from Browser to Browser.

HTML Document Structure
The Simplest HTML Document : <HTML> <HEAD> <TITLE> A Very Basic HTML Document </TITLE> </HEAD> <BODY> This is where the text of the document would be. </BODY> </HTML>

HTML Editors
Application programs used for creating Web pages. Editors are broadly classified into Text editors E.g : WordPad, Notepad WYSIWYG editors E.g : Front Page, Web Weaver, Dream Weaver, Adobe PageMill etc.

Sponsor Documents

Or use your account on DocShare.tips

Hide

Forgot your password?

Or register your new account on DocShare.tips

Hide

Lost your password? Please enter your email address. You will receive a link to create a new password.

Back to log-in

Close