Sunday, April 12, 2009

Introduction of SYMBIAN OS



Mobile phones have become part and parcel of our life. Today’s mobile phones not only offer traditional voice services but also other applications like SMS, MMS, internet, video player, radio etc. All these advancements is made possible by using Symbian OS in mobiles. Just like PCs have an operating system like Windows, Symbian is the O.S for mobile phones. But unlike PC design, mobile phone put constrains on a suitable O.S. The operating system has to have a low memory footprint, and low dynamic memory usage, and efficient power management framework and real time support for communication and telephony protocols. Symbian OS is designed for the mobile phone environment .It addresses constraints of mobile phones by providing a framework to handle low memory situations, a power management, and a rich software layer implementing industry standards for communication, telephony and data rendering. Symbian OS development was the result of extensive research carried out by world’s leading mobile phone companies like Nokia, Motorola, Sony Ericssion. The first open Symbian OS phones are the Sony ericsson’s P800 smartphones, the Nokia 9200 series and the Nokia 7650. Today two versions, Symbian OS v7 and v6 has evolved and extensively used . With improved picture resolution and flexible user interfaces, today’s mobile phones are capable of replacing PDAs and even the Palmtops.

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