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• Earpiece: This helps you to listen to voice calls.
                    • Volume button: This helps you to increase or reduce the volume of an audio in your mobile.


                 Basic Features of a Mobile Device
                 Some of the basic features present in all mobile devices are:

                               Feature                                       Functionality
                                              This is a short-range wireless technology which helps you connect with other
                          Bluetooth           devices that are within 30 feet of where you are. Once connected, you can use
                                              internet and send messages.
                                              It is a visual indicator that provides information about the current battery level
                          Chargeable Battery
                                              and charging status.
                                              It enables mobile devices to connect to the internet and local networks without
                          WiFi
                                              the need for physical cable.
                                              It provides an interactive display that allows users to control the device by directly
                          Touchscreen
                                              touching the screen with their fingers or a stylus.


                          Camera              It allows users to capture photos and videos.

                                              It provides users with the current time, date, with additional features such as
                          Clock
                                              alarms, timers, and world clocks.

                          Cellular network    It establishes and maintains a connection with a cellular network, allowing users
                          connectivity        to access voice and data services.


                          Global Positioning   GPS in mobile devices is used for navigation and tracking their movements.
                          System



                 Home Screen of a Mobile Device
                 The home screen is the first (start) screen of a mobile device. There are three main parts of the home screen:

                    • Status Bar: It is the top part of the screen that displays icons like network signals, battery life, Wi-Fi, Bluetooth
                   connectivity, 3G/4G status, etc.
                    • App Icons and Shortcuts: The central part of the screen is the main part with different App icons and shortcuts.
                   These icons serve as shortcuts allowing users to launch their favourite apps with a simple tap. There can be
                   several pages depending on the number of apps used.
                    • Dock: It is the lower part of the screen which contains apps that are always visible even if you change the page
                   of the screen.

                 Basic Gestures used with the Touch Screen of a Mobile
                 Gestures are movements made with the finger to interact with the touchscreen of your
                 mobile device. For example, to open an App, you tap on the touchscreen. Some of these
                 commonly used gestures’ that can be used on the touchscreen are as follows:
                    • Tap: It is a quick touch or press on the screen that helps in selecting an item, opening
                   an app, or activating a link.
                    • Tap and hold: This is similar to right-clicking your mouse, where you tap and hold
                   your finger on the screen.
                    • Drag: To tap, hold, and move your finger across the screen.

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