Mobile Operating System

1. MOBILE OPERATING SYSTEM
PRESENTED BY :
MOHAMMED SHABEEB K.V
BSc. COMPUTER SCIENCE

2. Introduction
An operating system (OS) is an interface
between hardware and user. It manages
hardware and software resources of the
system.
An operating system which controls mobile
devices is called Mobile Operating System. They
are simple and deal with the wireless versions
of broadband and local connectivity.
A mobile operating system, that operates a
smartphone, tablet, PDA, or other mobile device.

3. Different types of mobile OS
There are many mobile operating systems.
The followings demonstrate the most important
ones:
 Symbian
 Android
 iOS (iPhone OS )
Windows Phone
RIM BlackBerry

4. Symbian
 Symbian OS is a mobile operating system, developed
by Symbian Ltd, in June 1998.
 It runs exclusively on ARM processors.
 Symbian OS is 32 bit.
 The native language of the Symbian OS is C++.
 It is a multitasking operating system and very less
dependence on peripherals.
 It supports audio, video recording, playback and
streaming, and Image conversion.
 In June 2008, Nokia announced the acquisition of
Symbian Ltd.

5. Android
 It is a platform and an operating system for mobile devices
based on the Linux Kernel.
 Developed by Google and later the Open Handset Alliance.
 Android is designed primarily for touchscreen mobile
devices such as smartphones and tablet computers.
Most of Android is free and open source, but a large
amount of software on Android devices (such as Play Store,
Google Search, Google Play Services, Google Music, and so
on) are proprietary and licensed.
 Built with JAVA Programming Language.
 Android uses Linux for its device drivers, memory
management, process management, and networking
 It supports a wide variety of connectivity such as GSM, Wi-
Fi, 3G, …

6. iOS (iPhone OS)
 iOS (previously iPhone OS) is a mobile operating system
developed and distributed by Apple Inc.
 It is based on Mach Kernel.
 Mac OS X has a preemptive multitasking environment.
 Preempting is the act of taking the control of operating
system from one task and giving it to another task.
 It supports real-time behavior.
 Originally released in 2007 for the iPhone and iPod
Touch.
 In June 2010, Apple rebranded iPhone OS as "iOS".
 It has second largest installed base worldwide on
smartphones behind Android.

7. Windows Phone
 Windows Phone (abbreviated as WP) is a series of
proprietary mobile operating systems developed by
Microsoft.
 Designed for mobile devices and based onMicrosoft Win32.
 It is run on Pocket PCs , Smartphone’s and Portable media
centers.
 It provides ultimate interoperability . Users with various
requirements are able to manipulate their data.
 It is closed source and proprietary.
 It has third largest installed base on smartphones behind
Android and iOS.

8. RIM BlackBerry
 BlackBerry OS is the proprietary operating system made by
Research in Motion (RIM) for their BlackBerry line of
handhelds.
 It provides multitasking.
 The operating system is designed for use of input devices
such as the track wheel, track ball and track pad.
 Programmed in C++.
 It provides good security for data.
 It is a QNX based operating system.
 It operates on microkernel type of kernel.
 Application Store can run on other phone OS’s (Symbian,
Windows Phone, Android).