Computer language - HTML (Hyper Text Markup Language)

Computer language - HTML (Hyper Text Markup Language)

• 1.
  HTML Hyper Text MarkupLanguage By Dr. I. Uma Maheswari iuma_maheswari@yahoo.co.in
• 2.
  Introduction • It cameinto existence in 1989 by researcher Tim Berners Lee. • HTML helps in linking several related information already stored in a computer which can be accessed anywhere in the world. • It includes text, pictures and links to other related documents. • It is a non – case sensitive language.
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  Tools required Things thatare needed to create and access a HTML document 1. A Text Editor 2. A Web Browser 3. A Graphics Tool 4. A Web server (Optional)
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  • Text Editor –To write a HTML document code we need a text editor or a word processor which saves the documents in plain, flat, un styled ASCII style text. • Web Browser – HTML requires a web browser to display the document (web page) created using text editor. – The Browsers are MS Internet Explorer, Netscape Navigator, Mosaic, Net cruiser, Mac Web etc.
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  • A Graphicstool – A web page consists of pictures and to get them in the right format we require this tool. (GIF – Graphics Interchange Format) • A web server – Any HTML document created with the help of text editor and browser can be viewed only in the local system in which it was created. – When the same document has to be viewed by others around the world it can be hosted on a web server.
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  Starting a HTMLDocument Step 1: Open Notepad Start Program Accessories Notepad Step 2: Type the HTML Code Step 3: Save the code by giving a filename with an extension HTML
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  To view thecreated HTML document Step 1: Open Internet Explorer Start Program Internet Explorer Step 2: Click on file open, to open the file that you have saved Step 3: A dialog box appears, type the filename or browser for the file.
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  • Locate thefile by clicking on ‘browser’ button. Another dialog box appears. • After locating the file, click on ‘open’ button. • Now HTML page will be displayed on the browser
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  Modifying HTML code Step1: To modify the HTML code, select view source, now notepad window will be opened. Step 2: Make required modifications. Step 3: Save the file again. Step 4: Now go to the browser window, click on ‘refresh; button or select view refresh or press F5 key. The modified page will be displayed.