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    We know that mobile  computing  is at boom  and everyone  is looking  for  innovative  ideas  to
                      expand  their businesses from this  rapidly  growing technology.  Mobile  apps  have never been
                      more popular. We are in a technological phase where everything is done from mobile phones
                      from entertainment, banking and education, to connecting to different parts of the world. In this
                      chapter, we will learn about apps and their categories.

                                WHAT ARE APPS?

                      Apps or Applications are software that run on mobile phones,
                      computers,  tablets,  etc. They are designed  to perform a
                      specific task or function to make users more productive and

                      assist them with personal tasks.
                      There are many app development software available on the

                      Internet. Some  of them  are free and paid  which offer us a
                      platform for mobile app development.

                                IOS AND ANDROID

                      Most smartphones run on iOS or Android.

                         iOS is an operating system developed by Apple and is used on iPhones and iPads only. It is
                        known for its user-friendly interface, security features and seamless integration with other Apple

                        products like Macs and the Apple Watch. It also offers a curated selection of apps through the
                        Apple App Store, with a focus on high-quality and secure applications.
                         Android is also a type of operating system developed by Google and is used on smartphones
                        and tablets. It is known for its flexibility, allowing users to customise their home screens, install
                        apps from various sources and access a wide range of widgets and features. The Google Play

                        Store provides a vast selection of apps and games, catering to a diverse audience.

                                FEATURES OF MOBILE APPS

                      Mobile phones give us the freedom to communicate anywhere and anytime. They are used widely
                      in our day-to-day lives equipped with features like an MP3 player, high-resolution cameras, high
                      sound quality, 5G technology, Internet surfing, etc.
                      There are thousands of apps, designed to run on smartphones and tablets to perform a specific

                      task. Some of the important features of apps are:
                          user-friendly                       easy to design

                        interactive                           easy to understand

                       52   Computer Science (V5.0)-VI

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