This document discusses Android, an open-source operating system for mobile devices. It provides an overview of Android's history and development, key features like connectivity, media support and hardware integration. The document also compares Android to other mobile operating systems like iOS and highlights Android's versions from 1.0 to 4.4 KitKat. It briefly touches on Android's limitations around security and battery life as well as its future scope in areas like improved mobile internet and potential new versions.

1. ,

2.  Introduction
 Features
 Comparison
 Versions
 Limitations
 Scope and Future
 Conclusion

3. WHAT IS ANDROID?
 A Software platform and operating system
for mobile.
 Based on the Linux kernel.
 Android was found back in 2003.
 It was developed in Palo Alto, California.
 Android was developed by the Andy
Rubin, Rich Miner, Nick Sears and Chris
White.
 Android was purchased by the GOOGLE
in AUGUST,2005 for 50 million $.

5.  General Features :-
1. Voice Search
2. Multi touch
3. Multi tasking
4. Screen capture
5. Video calling
6. Multiple Language support
7. Messaging
Connectivity :-
Android supports wireless communication using:-
1. 3G Networks
2. 4G Networks
3. Wi-Fi Networks
4. Bluetooth Connectivity
5. Tethering

6. FEATURES OF ANDROID
Media :-
1. Streaming Media Support
2. Media Support :-
Android supports advanced audio/video/still media
formats such as MPEG-4, H.264, MP3, and AAC, AMR,
JPEG, PNG, GIF.
3. External Storage :-
reads micro SD cards
Hardware Support :-
Android devices include
1. cameras
2. touch screens
3. GPS
4. accelerometers

7. FEATURES OF ANDROID
Hardware Support (Continue)
1. Gyroscopes
2. Barometers
3. Magnetometers
4. Dedicated gaming controls
5. Proximity and pressure sensors
6. Thermometers
7. Accelerated 3D graphics

8.  Other than Android there are several other
mobile operating systems which are used.
 Symbian, iOS, windows, blackberry OS these are
one of the most used mobile operating systems.

10. FEATURE ANDROID iOS
Ease of use
Voice to text
Gaming
Customizable
Music Player
Notification system
Google voice

12.  First Version of Android.
 Released on November 5, 2007.
 First full version of android.
 Released on September 23, 2008.


13.  Released on April 30, 2009.
 Released on September 15, 2009.
 Released on October 26, 2009.

14.  Released on May 20, 2010.
 Released on December 6, 2010.
 Released on February 22, 2011.

15.  Released on November 14, 2011.
 Released on June 27, 2012.

16.  Android Lollipop 5.0
 Android KitKat 4.4
 Released on Oct 2013
Released on Nov,3 2014

17.  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.

18.  Better mobile internet.
 Google may launch another version of
android that starts with M because Google is
launching all the android versions in the
alphabetical order.
 There are chances of Android may become
the most used operating system in world.