WEB-ch1

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XHTML

A "stricter" version of HTML called XHTML (Extensible HyperText Markup Language), which ‎based on and associated with XML.‎

Client-Side Caching ‎

Browsers often cache (save on disk) recently viewed web pages for quick reloading.‎

Server-Side Scripting

Programmers have more flexibility Have wider range of programmatic capabilities because it allows them to generate custom ‎responses for client‎s

Client-side programming

Technologies used to build web pages and applications that are run on the client (i.e., in the ‎browser on the user's device). (using HTML5, CSS 3)‎

Server-side programming:‎

The applications that respond to requests from client-side web browsers, such as searching, ‎checking, bidding, etc. ). (using PHP, ASP.NET, Java Server Faces)‎

World Wide Web

allows users to execute web-based applications and to locate and view multimedia-based ‎documents on any subject over the Internet.‎

Semantic Web

computers learning to understand the meaning of the data on the web

Middle tier> Business logic

enforces ‎business rules and ensures ‎that data is reliable before the application updates ‎a database or presents data to ‎users.‎

Web 1.0‎

focused on small number of companies and ‎advertisers producing content for users to ‎access ("brochure web")‎

Top tier User interface or client tier ‎(applications clients)‎

gathers input and displays output Users interact directly with the ‎application through the user ‎interface(web browser or a ‎mobile device)‎ client tier interacts with the ‎middle tier to make requests ‎and to retrieve data from the information tier.‎

Middle tier Business logical tier

implements business logic, ‎controller logic and ‎presentation logic to control ‎interactions between and act ‎as intermediary for the ‎application's clients and its ‎data‎

Web 2.0‎

involves the users—not only do they often create content, but they help organize it, ‎share it, remix it, critique it, update it, etc‎

Java Scripts

language that helps you build dynamic web pages and computer applications.‎ It enables the client-side programming of web applications.‎

Domain Name System (DNS) server

maintains a database of hostnames and their corresponding ‎IP addresses and performs the translations automatically.‎

Bottom tier Data tier or Information tier

maintains the application's data, stores it in a RDBMS

GET method

or obtain a resource or information from server ‎to the client (ex, HTML document, image, search ‎result

Middle tier> presentation logic

processes data from the ‎information tier and presents ‎the content to the client Web applications present data to clients as ‎HTML documents.‎

Middle tier> controller logic

processes ‎client requests (view a product catalog) and retrieves data from ‎the database‎

POST method

sends data from client to a server ‎(ex, send form data or documents

Client-Side Scripting

used to validate user input,‎ to interact with the browser,‎ to enhance web pages, and ‎ to add client/server communication between a ‎browser and a web server.‎


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