Android is an open-source operating system developed for mobile devices like smartphones and tablets. It was developed by Android Inc which was acquired by Google in 2005. The Android operating system is supported by the Open Handset Alliance, a consortium of technology and mobile companies. Key features of Android include support for wireless communication technologies, a multi-process system allowing applications to run independently, and a customizable interface. Major versions of Android include Cupcake, Donut, Eclair, Froyo, Gingerbread, Honeycomb, Ice Cream Sandwich, Jelly Bean, KitKat and Lollipop. Android has advantages like access to core mobile functions and equal treatment of applications but also has disadvantages related to security, its open

1. android
Submitted To: Submitted By:
Mrs Anu Singla Harshdeep kaur
(6501)

2. CONTENT
• Introduction
• History
• Features
• Version
• Comparison
• Examples
• Pros & Cons

3. Introduction
• Android is a Linux-based operating system for
mobile devices such as smartphones and tablet
computers.
• Android specially developed for applications
• There are more than 4,00,000 apps in Android
market
• The Android is an open
source.

4. • Google acquires android in July 2005.
• On 5 November 2007,the Open Handset
Alliance, a consortium of several companies which
include

5. OPEN HANDSET ALLIANCE
(OHA)
• This group of companies are allowed to use
source code of Android and develop applications.
• Reason for Nokia not to develop Android
Mobiles is Nokia is not part of OHA.

6. history
• Android, Inc. found in Palo alto in California
united states by Andy Rubin. - October 2003
• Google acquired Android, Inc. – August 2005
• The open handset alliance, a group of several
companies was formed - 5 November 2007
• Android Beta SDK Released - 12 November
2007

7. FEATURES
• 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.

8. FEATURES
• Interface that is better then the previous touch screen
mobiles.
• User gets millions of applications that user can not get
in any other mobile operating system.
• Android supports advanced audio/video/still media
formats such as MPEG-4, H.264, MP3, and AAC,
AMR, JPEG, PNG, GIF.
• Developing an android application is not tough using
SDK(standard development kit) and java emulator we
can easily develop applications
that we want.

9. VERSION OF ANDROID
• Android Beta
• Android Astro 1.0
 First full version of android.
 Released on September 23,
2008.
 Wi-Fi and Bluetooth support.
 Quite slow in operating.
 copy and paste feature in the
web browser is not present.

10.  Android Cupcake 1.5
 Released on April 30, 2009.
 Added auto-rotation option.
 Copy and Paste feature added in the web
browser.
 Increased speed and performance but not
upto required level.
 Released on September 15, 2009.
 Voice search and Search box were added.
 Faster OS boot times and fast web
browsing experience.
 Typing is quite slower.
 Android Éclair 2.0/2.1
 Released on October 26, 2009.
 Bluetooth 2.1 support.
 Improved typing speed on virtual keyboard,
with smarter dictionary.
 no Adobe flash media support.

11.  Android Froyo 2.2
 Support for Adobe Flash 10.1
 Improved Application launcher with better
browser
 No internet calling.
 Android Gingerbread 2.3
 Updated User Interface with
 high efficiency and speed
 Internet calling
 One touch word selection and copy/paste.
 New keyboard for faster word input.
 More successful version.
 not supports multi-core processors.
 Android Honeycomb 3.0
 Support for multi-core processors
 Ability to encrypt all user data.
 This version of android is only available
for tablets.

12.  Android KitKat 4.4
 Beautiful & immersive
 Just say “OK Google”
 A work of art
 Faster multi-tasking
 A smarter caller ID
 All your messages in the
same place
Android 5.0 – Lollipop
 The smarts of Android on screens big
and small
 On more than your phone and tablet
 Pick up where you left off
 Your device, your rules
 More tangible interaction
 More time playing, less time charging
 More ways to secure your device

13. comparison
Sales
Android os
Windows phone
iOS
Symbian Os
Blackberry os
Others

14. EXAMPLE

15. PROS
 Allow access to core mobile devices.
 All applications are equal.
 Break down boundaries.
 Fast and easy.

16. CONS:
Security.
 Open Source.
 Login.
 Incompetence