The document outlines the history and evolution of the Android operating system from its acquisition by Google in 2005 through the release of various versions. Key features include its architecture based on Linux and applications developed in Java or Python using the Android SDK. It also provides information about Dallas Technologies, which offers software consulting and training in various technological areas.

1. ANDROID OSANDROID OS
By Dallas Technologies

2. The ANDROID OS
History
• Google acquires mobile software startup Android™ in 2005
• Open Handset Alliance officially starts on November 5th, 2007
• Android™ 1.0 source and SDK released in Fall 2008
(http://www.android.com/timeline.html)

3. The ANDROID OS
Versions
• 1.0 September 2008
•1.1 February 2009
•1.5 (Cupcake) April 2009
•1.6 (Donut) September 2009
•2.0/2.1 (Éclair) October 2009
•2.2 (Froyo) May 2010
•2.3 (Gingerbread) December 2010
•3.0/1 (Honeycomb) February/May 2011
•3.2.x July/Sept/Aug/Dec 2011, 3.2.6 Feb 2012
•4.0.x (Ice Cream Sandwich) Oct, Nov, Dec 2011, March 2012
•4.2–4.2.2 Jelly Bean October 2012
•4.4W–4.4W.2 KitKat June September, October 2014
•5.1–5.1.1 Lollipop March, April 2015
•Android 6.0 Marshmallow October 2015

4. The ANDROID™ OS
System
Architecture
• Linux
Version 2.6
or 3.0.1
• Davlik Virtual
Machine
(VM)
• Application
Framework

5. The ANDROID™ OS
• Applications
• Applications are written in Java or Python
• Applications are run on the Davlik Virtual Machine
• Development done in the Android™ SDK
• Development is open to all
• User driven Android™ Market

6. About Us
Dallas Technologies, an ISO 9001:2008 certified company, based at Bangalore
India, Providing services in software consulting, application development,
outsourcing services, Recruitment and Training. Started operation in the year 2001.
We design, build, and support customized applications for businesses large and
small. We are the market leader in training and outsourcing in various technologies.
We ,Dallas technologies, serve and support IT companies in the areas of
Mainframes, ERP, .net, Java/J2EE,Data Warehousing and Business Intelligence,
etc. we also train and outsource fresh talents to our clients.

7. Contact Us
DALLAS TECHNOLOGIES
No. 30/1, R. K. Plaza, 1st Floor, CMH Road, Indira Nagar,
Above Union Bank of India, Bangalore,
Karnataka 560038
Phone:088807 99799