30-05-2012, 01:45 PM
Mobile Operating System
mobile_os.ppt (Size: 2.21 MB / Downloads: 259)
SYMBIAN OPERATING SYSTEM
Symbian is the most popular mobile OS.
It is an open source O.S
It is designed by NOKIA.
It is available to the user at “symbian.nokia.com”.
VERSIONS
Till now four versions of SYMBIAN OS have been launched.
Symbian^1 - used in Nokia 5800, 5233, Samsung i8910 Omnia HD etc.
Symbian^2.
Symbian^3/Symbian^4 – used in Nokia Nseries , Eseries and C series etc.
CRITICISM
SYMBIAN^1 and SYMBIAN^2 were replaced by SYMBIAN^3 as they do not support many applications as multitouch inputs, multi screens etc. After commencement of ANDROID OS the demand for SYMBIAN has gradually declined.
ANDROID OPERATING SYSTEM
ANDROID is one of the leading operating systems.
It was lauched in 2008.
It is a free and open source operating system.
It is developed by GOOGLE.
It is available at “android.com”.
iOS OPERATING SYSTEM
Commonly known as Apple iOS.
It was initially released in 2007 in the form of iPHONE ‘s initial version.
Derived from Mac OS X.
It is used in iPHONE , iPOD , Apple TV.
Official website is “apple.com\ios”.