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10                      APP DEVELOPMENT



















                       Your Aim

                       to learn about:
                                 What is an App?                        Android and iOS

                                  Types of Mobile Apps                    Categories of Apps

                                   Downloading and Installing the App           Developing an App



                 With the  advancement  in technology,  smartphones play  an  important  role  in our  daily life.
                 However, the main function of the smartphones is telecommunication, but now with the help
                 of apps, you can do many things which were previously unimaginable on smartphones. You
                 can perform various tasks on smartphones such as online bill payment, online shopping, video
                 calling, message chat, and play game.


                     WHAT IS AN APP?

                 An app is a software program primarily developed for hand-held smart devices such as mobile
                 and tablet. It helps the user to perform their personal and professional tasks more effectively.
                 The app is a modern term derived from the word application. Generally, the word app is used
                 to refer the applications on smart devices such as mobiles and tablets. Thousands of apps are
                 available for smart devices. Most of the apps are freely downloadable from app store. However,
                 some of the apps need to purchase from the app store.

                 The three most popular app stores are Google’s Play Store, Apple’s App Store, and Microsoft
                 Store. However, the Windows Store is not in use for mobile devices. But can download the apps
                 for your computer from the Windows Store.
                 There are mainly three types of applications, which are:
                     Desktop: The application that is mainly developed for computer or laptop is called a desktop
                     application. This type of application depends of the hardware and operating system on

                     which it run. It is usually developed for a particular operating system. Some of the examples
                     of desktop applications are Paint, Notepad, and Word.
                     Mobile:  Mobile  application  (also  known  as  mobile  app)  is software  program  that  is
                     developed for hand-held devices such as smartphones and tablets. These apps are installed




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