UNIT 3 WEB APPLICATIONS II 3.0 INTRODUCTION and 3.1 OBJECTIVES

3.0 INTRODUCTION 

As discussed in the previous unit, Internet has many applications for its user. In the recent times, one of the major applications of Internet has been the Web 2.0 technologies that are identified by more interactive Internet based applications. Some of the popular technologies used in Web 2.0 include XHTML, Cascading Style Sheets (CSS), eXtensible Markup Language (XML), Asynchronous JavaScript on XML (Ajax), Ruby on Rails, Adobe Flex, Java and its frameworks, PHP, ASP.net and many more. The aim of this unit is not to introduce you to these technologies but familiarize you with some of the important applications that have been developed using these technologies under the Web 2.0. These newer applications are allowing you to do a number of activities that were unthinkable in the last decade. Today, you can go to social networking sites through which you can find and remain in touch with your friends. You can share your pictures, videos, ideas with them. You can go on to make many new friends. You can also register and study through online means. You can get access to online study material, tutorials, feedback system and so on. Thus, internet has the ability to transform your life. However, you must use Internet intelligently otherwise it can be very distracting also. You must use the online activities for benefit and advancement of your career. 

This unit is an attempt to provide you information on some of the popular applications of the Internet in recent times. 

3.1 OBJECTIVES 

After going through this unit, you should be able to:

 define the purpose of e-learning;

 describe the processes in e-learning;

 explain the use of Wiki;

 participate in Collaboration on the net;

 take steps to do Social networking; and

 create a simple Blog.


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