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WEB BASE APPLICATION DEVELOPMENT

WEB BASE APPLICATION DEVELOPMENT. NASRULLAH KHAN. WEB APPLICATION. Web applications are applications that use the Internet’s infrastructure to delivere their functionality . A web application is an application that is accessed over a network such as the Internet or an intranet.

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WEB BASE APPLICATION DEVELOPMENT

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  1. WEB BASE APPLICATION DEVELOPMENT NASRULLAH KHAN

  2. WEB APPLICATION • Web applications are applications that use the Internet’s infrastructure to delivere their functionality. • A web application is an application that is accessed over a network such as the Internet or an intranet. • Web Applications do not use the more traditional client/server technologies,butare using web technologies such as web browsers and web servers.

  3. The World Wide Web, (WWW) is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them via hyperlinks

  4. WEB APPLICATION • The Internet carries a vast range of information resources and services, such as the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support eAn • intranet is a private computer network that uses Internet Protocol technology to securely share any part of an organization's informationlectronic mail. It is an organization's internal website

  5. Benefits • Web applications do not require any complex "roll out" procedure to deploy in large organizations. A compatible web browser is all that is needed • Browser applications typically require little or no disk space on the client • They require no upgrade procedure since all new features are implemented on the server and automatically delivered to the users

  6. Benefits • Web applications integrate easily into other server-side web procedures, such as email and searching. • They also provide cross-platform compatibility in most cases (i.e., Windows, Mac, Linux, etc.) because they operate within a web browser window.

  7. WEB APPLICATION • Web server: a system on the internet containg one or more web site • Web site: a collection of one or more web pages • Web pages: single disk file with a single file name • Home pages: first page in website

  8. HTML • <HTML> • <HEAD> • <TITLE>IBA</TITLE> • </HEAD> • <BODY> • IBA • </BODY> • </HTML>

  9. HTML 1.Use an text editor such as Notepad to write the document. 2.Save the file as filename.html on a PC. This is called the Document Source. 3.Open internet Explorer (or any browser) Off-Line 4.Switch to Explorer. 5.Click on File, Open File and select the filename.html document that you just created. 6.Your HTML page should now appear in Explorer.

  10. HTML 7.You may now switch back and forth between the Source and the HTML Document • switch to Notepad with the Document Source • make changes • save the document again • switch back to Internet Explorer • click on RELOAD and view the new HTML Document • switch to Notepad with the Document Source......

  11. <HEAD>...</HEAD>-- contains information about the document • <TITLE>...</TITLE>-- puts text on the browser's title bar. • Heading: <H1> </H1> • Center:<Center> </Center> • Line Break <P> ,<Br> • Phrase Markups: <I></I> ,<B></B> • Unordered list : <UL><li> • Ordered list: <OL><li> • Nested

  12. ADD IMAGE • Use <IMG SRC=imagefilename> tags • Attributes of IMG tag -width, height -Alt -Align -<Img src=my.gif width=50 height=50 align=right alt=“My image”> • Use <A href=filename|URL></a>tags

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