Submitted by

K. Divya Tirumala

Types of operating systems

Android operating systems

IOS operating systems

RIM operating systems

Android was founded in Palo Alto, California in October 2003 by

Andy Rubin, Rich Miner, Nick Sears and Chris White who work at

“Google” to develop.

“…smarter mobile devices that are more aware of its owner’s

location and preferences.”

OPERATING SYSTEM

Android uses Linux for its device drivers, memory management,

process management and networking.

The next level contains Android native libraries. They are all

written in C/C++ internally, but calling through Java interfaces,

In this layer, Surface Manager, 2D and 3D graphics, Media Codecs,

the SQL database (SQLite) and a web browser engine (WebKit).

Android versions

What is iOS? Apples mobile operating system considered the

foundation of the iPhone

Originally designed for the iPhone but now supports iPod touch, iPad, and Apple TV

It is updated just like Itunes for iPods

As of Oct 2011 Apple contains over 500,000 iOS applications

Ios History Ios(iphone o.s) is a mobile operating system developed

by Apple.Inc started in 2007 with the first iphone 2G.

It extended to support other apple devices such as ipod,ipad etc..

It is programmed in C,C++,Objective-C.

Apple doesn’t license ios for installation on non- apple hardware.

The first BlackBerry device, the 850, was introduced in 1999 as a two-way pager in Germany. The name BlackBerry was coined by the marketing company Lexicon Branding

1 - Built-in speakerphone

2 - Voice Activated Dialing (VAD)

3- Polyphonic and mp3 ringtones

4- Conference calling

5- Voicemail attachment playback

6- Bluetooth enabled

Digital zoom

Built-in flash

Up to 5 MP camera

Manage and Share Your Pictures and Videos