Operating Systems Presentation History Aakash 488

8/2/2019 Operating Systems Presentation History Aakash 488

1/14

Click to edit Master subtitle style

4/25/12

Operating systemspresentation

ON

Name:Aakash Ahuja


2/14

4/25/12

What is Symbian OS?

Symbian is a mobile operatingsystem (OS) and computingplatform designed for smartphones andcurrently maintained by Accenture. The

Symbian platform is the successorto Symbian OS and Nokia Series 60;unlike Symbian OS, which needed anadditional user interface system,Symbian includes a user interfacecomponent based on S60 5th Edition.

The Symbian platform was created by

merging and integrating software assetscontributed by Nokia, NTTDoCoMo, SonyEricsson and Symbian Ltd.


3/14

4/25/12

From History to Present

EPOC16

Nokia Belle(Symbian OS 10.1)


4/14

4/25/12

From Past to Present

Symbian OS was originallydeveloped by Symbian Ltd.[10]

It is a descendant ofPsion's

EPOC and runs exclusivelyon ARM processors, althoughan unreleased x86port existed.

Some estimates indicate thatthe number of mobile devicesshipped with the Symbian OS up

to the end of Q2 2010 is 385
http://en.wikipedia.org/wiki/Symbianhttp://en.wikipedia.org/wiki/Symbian


5/14

4/25/12

From Past toPresent(EPOC-16)EPOC16, originally simply named

EPOC, was the operating systemdeveloped by Psion in the late

1980s and early 1990s for Psion's"SIBO" (SIxteen Bit Organisers)devices.

All EPOC16 devices featuredan 8086-family processor anda 16-bit architecture.

EPOC16 was a single-


6/14

4/25/12

From Past toPresent(EPOC-32)The first version of

EPOC32, Release 1appeared on the

Psion Series5 ROM v1.0 in1997.

EPOC32 waswritten in C++from a newcodebase withdevelo ment


7/14

4/25/12

From Past to Present(SymbianOS 6)As of Release 6,

EPOC becameknown simply as

Symbian OS.The first 'open'

Symbian OS phone,

the Nokia9210 Communicator, was released in

June 2001.

Nokia7650


8/14

4/25/12

rom ast toPresent(Symbian OS 7.0

and 7.0s)First shipped in

2003.

This is animportantSymbian release

which appearedwith allcontemporaryuser interfacesincludin UIQ,

t t
http://en.wikipedia.org/wiki/UIQhttp://en.wikipedia.org/wiki/UIQhttp://en.wikipedia.org/wiki/UIQ


9/14

4/25/12

rom ast toPresent(Symbian OS 8

and 8.1)First shipped in2004

one of its

advantageswould havebeen a choice

of two differentkernels (EKA1

or EKA2)

The kernels

F P t t
http://en.wikipedia.org/wiki/EKA1http://en.wikipedia.org/wiki/EKA1


10/14

4/25/12

From Past toPresent(Symbian OS

9/9.1/9.2/9.3/9.4)

The OS that changedeverything

F P t t


11/14

4/25/12

From Past toPresent(Symbian OS

9/9.1/9.2/9.3/9.4)Released early 2005 It includes many new security

related features, including

platform security modulefacilitatingmandatory code signing.

Multi-tasking was introduced forthe user

S60 platform 3rd Edition

phones have Symbian OS 9.1
http://en.wikipedia.org/wiki/Mandatory_code_signinghttp://en.wikipedia.org/wiki/S60_platformhttp://en.wikipedia.org/wiki/S60_platformhttp://en.wikipedia.org/wiki/Mandatory_code_signing


12/14

4/25/12

Symbian^3 (Symbian OS9.5) and Symbian Anna

Symbian^3 is abig

improvementoverpreviousS60 5th Editionand features

single touchmenus in theuser interface,

as well as new Symbian ^3


13/14

4/25/12


14/14

4/25/12

Thank You!

Operating Systems Presentation History Aakash 488

Documents

Transcript of Operating Systems Presentation History Aakash 488