Web Application

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Web application is a program that runs on a web server and performs tasks over the internet through web browser. This application combines server-side scripts to handle storage and retrieve information and client-side scripts to deliver information to the users. Hence, users can interact with the company using online forms, content management systems, shopping carts and more. Besides, this even lets employees to create documents, collaborate on projects, share information, and work on common documents regardless of location or device.

Working of web application

Web applications are coded using browser supported languages. Since, web browser understands many languages, web applications must be programmed with any one of them. Some of the languages that web applications can be programmed are JavaScript, XML, Flash, PHP, Java, ASP, HTML, AJAX, etc. as these languages depend on the browser to provide the executable program. The web app requires a web server, which is necessary to manage requests from the client, an application server which helps in performing the requested tasks, and sometimes, a database to store the information.

Examples of web app includes word processors, shopping carts, online forms, spreadsheets, file conversion, file scanning, video and photo editing, email programs (Gmail, Yahoo and AOL) and popular applications like Google Apps, Microsoft Office Live and WebEx WebOffice, etc.

Benefits of using web application

  • Cost effective and easily customizable
  • No need to worry about disk space as the application is not installed on the HDD
  • Reduces software piracy in subscription based web applications
  • Once developed it can run anywhere
  • Easy to upgrade
  • Open source software
  • Can be installed and maintained easily

Disadvantages of web application

  • Requires internet to access it
  • Lack of Security
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