Android is an open source operating system created by Google for use on mobile devices. It is based on the Linux kernel and allows for programming in Java and C/C++. Android supports wireless communication technologies like 3G, 4G, WiFi and Bluetooth. It uses a multi-process architecture with each app running in its own process. Common Android packages provide user interface layout, secure networking, media support and optional hardware access like GPS. Recent Android versions include Honeycomb, Ice Cream Sandwich and Jelly Bean, with enhancements like tablet support, encryption, virtual buttons and a smoother interface. While popular, Android faces limitations such as attracting hackers due to open source code and higher battery usage than standard phones.

1. ANDROID
Presented By:-
Ajit Kumar Bhagat IT/11/33
Pritam Guchhait
Abhay Kumar Abhay
IT/11/39
IT/11/01
Pankaj Kumar IT/10/41
Arnab Pual IT/10/40

2. Contents
• What is Android
• Feauters Of Android
• Commonly Used Packages
• Latest Versions of Android
• Limitations
• Conclusions

3. What is Android
• Android is an open source operating system, created
by Google specifically for use on mobile devices (cell
phones and tablets).
• Linux based (2.6 kernel).
• Can be programmed in C/C++ but most app
development is done in Java (Java access to C
Libraries via JNI (Java Native Interface).
• Supports Bluetooth, Wi-Fi, and 3G and 4G
networking.

4. FEATURES OF ANDROID
• Android is not a single piece of hardware.
• Android supports wireless communication using:-
 3G Networks
 4G Networks
 802.11 Wi-Fi Networks
 Bluetooth Connectivity
• Android is a multi-process system, in which each
application (and parts of the system) runs in its own
process.

5. Commonly Used Packages
• User interface layout.
• Secure networking and web browsing.
• Audio and visual media support.
• Access to optional hardware (GPS).

6. Latest Versions of Android
 Android Honeycomb 3.0:-
• Released on february 22, 2011
• Support for multi-core processors.
• Ability to encrypt all user data.
• This version of android is only available for tablets.
 Android IceCreamSandwich(ICS) 4.0:-
• Released on november 14,2011.
• Virtual button in the UI.
• Ability to shut down apps that are using data in the
background.

7. Android JellyBean 4.1:-
 Released on june 27,2012.
 Latest version of Android.
 Smoother user interface.

8. Limitations
• Making source code available to everyone inevitably
invites the attention of hackers.
• Android operating system uses more amount of
battery as compared to normal mobile phones.
• As there are so many user sometimes it becomes
difficult to connect all the users.

9. CONCLUSIONS
• Android’s influence has penetrated into the mobile
space outside.
• Android operating system in the global mobile
market share is increased significantly.
• Now days more than half (52.5%) of the smartphone
sales belonged to Android.
• Google said that 550,000 new Android devices were
being activated every day.