Android (operating system) - It is a mobile operating system developed by Android Inc. Google has bought Android company during 2005.
Android (robot) - It is an automated machine designed and developed to act and look as a human.
Handset manufacturers are free to customize Android functionality to give innovative products to the customers with lower cost.
Android (operating system):
Android is a mobile operating system developed by Android Inc. Google has bought Android company during 2005.
The implementation of Android operating system was done in Smartphone's in U.S.A and those were ranked first when compared to all other operating system Smartphone's which were sold out in U.S.A during the current year 2010.
Large number of developers are writing applications programs(called 'apps') to extend the Android functionality. There are more than 1lac apps are available for Android. Developers are using Java to write those apps by using java libraries. Users can download the apps from internet. Most of the apps which were released by Google are under the apache license, open source code and free software.
Android version history:
Version 1.0 - Released on 23Sep2008
Version 1.1 - Released on 09Feb2009
Version 1.5(Cupcake) - Released on 30Apr2009
Version 1.6(Donut) - Released on 15Sep2009
Version 2.0(Eclair) - Released on 26Oct2009
Version 2.2(Froyo) - Released on 20May2010
Version 2.3(Gingerbread) - Released on 06Dec2010
So the latest version which is available in the market is 2.3 and it was released very recently 06Dec2010 with the following features.
Android version 2.3 features:
Android operating system can be used as an operating system for mobile phones. Below are the some of the Android phones which is marketed by Google.
Android (robot) is also called as synthetic organism(new area of biological research that combines both science and engineering.) designed to act and look like a human.
Gynoid(is anything which resembles a woman) is the feminine form of Android(robot).
There are projects are happening in Japan, Korea, United States, United Kingdom and Iran related to Android (robot).
Books related to Android:
For more books - http://stackoverflow.com/questions/1114287/good-book-for-beginning-android-development