My own presentation on topic "Android"__just in case if anybody working on this topic they can take help from here

1. CONTENTS :WHAT
IS ANDROID
WHY ANDROID WAS CREATED
ANDROID FEATURES
CORE ANDROID APPLICATIONS
ANDROID VERSIONS
ADVANTAGES
CONCLUSION
REFERENCES

2. WHAT IS ANDROID?
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Android is an operating system based on Linux with
a Java programming interface
Designed primarily for touch screen mobile devices
Android SDK provides all necessary tools to
develop Android applications
Android is currently primarily developed by Google

3. WHY ANDROID WAS CREATED?
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Full phone software stack including
applications
Android is open
Android is free
Community support
100% Java Phone

4. ANDROID FEATURES:
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Software Features:
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Integrated browser based on the open source WebKit
engine
SQLite for relational data storage
Media support for common audio, video and still image
formats(MPEG4, MP3, JPG, PNG, GIF)
Hardware Features Supported:
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Cellular networking: GSM, EDGE(hardware dependent)
LAN: Bluetooth and Wi-Fi (hardware dependent)
Camera and GPS (hardware dependent)

5. CORE ANDROID APPLICATIONS:
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Desk Clock
Browser
Calendar
Calculator
Camera
Contacts
Email
Gallery
LivePicker(Live Wallpaper Picker)
Messaging(SMS as well as MMS)
Music
Phone Settings
Sound Recorders
Google Maps

6. ANDROID VERSIONS:
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Android Beta:
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First version of Android
Focus was testing incorporating usability
Problems on speed and performance
Android Astro 1.0 :
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First full version of Android
Released on September 23, 2008
Camera support
Wi-Fi and Bluetooth support
Quite slow in operating
Copy and paste feature in the web browser was not present

7. 
Android Cupcake 1.5 :
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Released on April 30, 2009
Added auto-rotation option
Copy and paste feature added in the web browser
Increased speed and performance but not up to required
level
Android Donut 1.6 :
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Released on September 15, 2009
Voice search and search box were added
Faster OS boot times and fast web browsing experience
Typing was quite slower

8. 
Android Éclair 2.0/2.1 :
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Released on October 26, 2009
Improved Google maps
Improved typing speed with virtual keyword
Addition live wallpaper
No flash player support
Android Froyo 2.2 :
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Released on May 20, 2010
Support adobe flash 10.1
No internet calling
Support installing applications to the expandable memory

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Android Gingerbread 2.3 :
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Released on December 6, 2010
Internet calling
One touch word selection and copy/paste
More successful version of Android than previous versions
Supports voice and video chat using Google Talk
Android Honeycomb 3.0 :
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Released on September 22, 2011
Supports Joysticks and gamepads
Improved flash support in browser
Improved ability of apps to access file in the SD card

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Android Ice-cream Sandwich(ICS) 4.0 :
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Released on October 19, 2011
Smooth screen rotation
Ability to shut down apps that are using data in the
background
Built in Photo editor
Android Jelly Bean 4.1 :
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Released on July 9, 2012
Latest version of Android
Smoother user interface
Bluetooth data transfer with android beam

11. ADVANTAGES:
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Free and open source
A free market for application
Inexpensive development tools
Freely available Software Development Tools
Enabling development of powerful applications

12. CONCLUSION:
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Android is open to all: industry, developers
and users
Participating in many of the successful open
source projects
Google android is stepping into the next level
of mobile internet

13. REFERENCES:
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http://www.android.com/
http://en.wikipedia.org/wiki/Android
http://www.vogella.com/articles/Android/article.h
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