1. Presented by-
Shikha Rawat

2.  The Operating system is a base infrastructure software component of
a device.
 It manages all the hardware and optimizes the efficacy of the
application software in the device.
 A mobile OS manages mobile multimedia functions, mobile and
Internet connectivity and so on in a mobile device.

4.  Symbian is an operating system, developed by Symbian ltd. in
1997.
 It is an operating system for mobile phones primarily used on
Nokia advanced or data enabled smart phones.
 Symbian OS runs exclusively on ARM processors.
 It is currently maintained by Accenture.

5.  Symbian is an open-source platform developed by Symbian
foundation in 2009.
 Symbian originated from EPOC, an operating system created by
Psion in the 1980s.
 In June 1998, Psion Software became Symbian ltd, a major joint
venture between Psion and phone manufacturers Ericson,
Motorola, and Nokia.
 In 2008, nokia announced the acquisition of Symbian ltd., and
establish Symbian Foundation.

7.  On 11 February 2011, Nokia announced a
partnership with Microsoft and adopted
Windows Phone as its primary smartphone
platform.
 On 22 June 2011, Nokia made an agreement with Accenture for an
outsourcing program.
 And Symbian will be its franchise platform (dropping Symbian as
its main smartphone OS of choice).
 Accenture will provide Symbian-based
software development and support services
to Nokia through 2016; about 2,800 Nokia
employees became Accenture employees as
of October 2011.

8.  Performance – Symbian OS is designed to make minimal demands on
batteries and to have low memory.
 Multitasking – telephony and universal messaging are fundamental
components. All applications are designed to work seamlessly in
parallel.
 Data Caging- It allows applications to have their own private data
partition. This feature allows for application to guarantee a secure
data store.
 Multimedia- It supports audio, video recording, playback and
streaming, and Image conversion.

9.  Android is a Linux-based smartphone
operating system and software platform
created by Google.
 Android Inc. was founded in Palo Alto of
California, U.S. by Andy Rubin, Rich miner,
Nick sears and Chris White in 2003
 Later Android Inc. was acquired by Google in
2005. Android is open source and Google
releases the code under the Apache License.
 Hardware that support Android are mainly based on ARM architecture
platform.
 Android applications are written in java programming language

10. After original release there have been number of updates in the original
version of Android. With the following as commercially available
versions-
 Android 1.0
 Android 1.1
 CUPCAKE(1.5)
 DONUT(1.6)
 ÉCLAIR(2.0, 2.0.1, 2.1)

11.  FROYO (2.2–2.2.3)
 GINGERBREAD (2.3–2.3.2)
 HONEY COMB(3.0, 3.1, 3.2)
 ICE CREAM SANDWICH (4.0–4.0.2, 4.0.3–4.0.4)
 JELLY BEAN (4.1, 4.2, 4.3)
 KIT-KAT(4.4) –yet to release

12.  Added support for five more languages
 Multiple user accounts (tablets only)
 Lock screen improvements, including widget support and the
ability to swipe directly to camera
 “Daydream” screensavers, showing information when idle or
docked
 Shortcuts and widgets can automatically be re-arranged or re-sized
to allow new items to fit on home screens
 Ability for other launchers to add widgets from the app drawer
without requiring root access

14.  Mobile operating system developed and distributed by Apple Inc.
It was unveiled in 2007.
 Apple does not license iOS for installation on non-Apple hardware.
 The user interface of iOS is based on the concept of direct
manipulation, using multi-touch gestures.
 Internal accelerometers are used by some applications to respond
to shaking the device rotating it in three dimensions.

15. iPhone OS 1.x- Apple's first touch interface mobile operating system was
released on 6 March 2008.
iPhone OS 2.x- The second major release of the iOS, became available
with the release of the iPhone 3G on July 11, 2008.
It introduced the App store.
iPhone OS 3.x- 3.0 became available with the iPhone
3GS. It was released
on June 17, 2009. It had added features such as copy
and paste, and MMS.
iPhone OS 4.x-iOS 4 was made available to the public for the iPhone and
iPod Touch on June 21, 2010. With new features such as multitasking.

16. iPhone OS 5.x- iOS 5 was previewed to the public on June 6, 2011. It was
released for iPhone, and ipad on October 12, 2011.
iPhone OS 6.x- iOS 6 was announced and previewed on June 11, 2012 and
was stated as Fall 2012.
iPhone OS 7.x- Apple announced iOS 7 on June 10, 2013 at its annual
WWDC event, with release announced for September 18, 2013. With this
release, support was dropped for the iPhone 3GS and the iPod Touch (4th
generation).

18.  Passbook- A new app that manages a user's boarding passes, movie
tickets, retail coupons, loyalty cards, etc.
 "Do Not Disturb" mode, allowing users to avoid calls and notifications
unless calling parties are on the user's Favourite group.
 Phone call doesn't take up the
entire lock screen when a call is
incoming.
 Lost mode- If an iOS device is lost, Lost Mode triggers an attention
grabbing sound, prompting the person who finds the iPhone to call a
specific number set by the owner remotely.

19. BlackBerry OS is a proprietary mobile operating system developed by
Blackberry Ltd.
 This OS runs exclusively on ARM processors. Its applications are
written in java programming language.
 Contains wireless system updates.
 Tethering- USB, Bluetooth, Mobile Wi-Fi
Hotspot.
 First mobile with blackberry OS was launched
in January 1996.
 Blackberry world is the official app. store.

20.  Blackberry OS 1.0- In January 1999 the BlackBerry OS made its debut
and it was released for the Pager BlackBerry 580.
 Blackberry OS 3.0- In March 2002; Released on the BlackBerry 5810
smartphone.
 Blackberry OS 5.0- On August 4, 2008, it was released on the
BlackBerry Bold 9000 and came to the other BlackBerry smartphones a
short while after its release.
 Blackberry OS 4.0- Released on 01 June 2003.

21.  Blackberry OS 6.0- In April 2010, RIM announced the BlackBerry OS 6.0
version, which was released in the third quarter of 2010.
 Blackberry OS 7.0- Officially released in August 2011, making its
appearance on the BlackBerry bold, BlackBerry Torch, and the
BlackBerry Curve.
 Blackberry OS 7.1- Released on January 9, 2012. It is an updated
version of blackberry OS 7.0.

23.  Battery Saving Mode:-The clever Battery Saving Mode App reduce the
power usage when necessary to maximize battery life.
 Mobile Hotspot:- Mobile Hotspot on
BlackBerry smartphone and can create
our own hotspot.
 Mobile Media Server:-using wireless
connect smartphone to your games
console and share all your music,
movies and pictures with friends.
 Blackberry Tag:- Invite friends to BBM, share contact information,
documents, URLs, photos and other multimedia content with a simple
tap of your devices1.

24.  Windows Mobile is a compact operating system designed for
mobile devices and based on Microsoft Win32.
 It is run on Pocket PCs, Smartphones and Portable media
centres.
 It provides ultimate interoperability. Users with various
requirements are able to manipulate their data.