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Personal Digital Assistants

Submitted to Submitted by Dr.V.Murugan M.Sahaya Pretha Department of computer science M.Phil(CS)and engineering

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What is PDA?It is General Purpose Computing Device.It contains set of built in Applications.These are usually PIM Applications.

Personal Information Manager tool.Such as

Calendar Note padAddress book

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To-Do ListSpread SheetsGamesCalculatorClock

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History of GenerationsFirst Generation

In 1980’s PDA called Organizers.It is only used for calculator, calendars, Phone Book.It is not easy to access because

InconvenientSmallerNo Batteries

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Second GenerationIn 1993’s Devices are Smaller, Better Displays, Text Input technologies

User having to enter phone number, address, appointment via tiny keyboard.

These are connected to PC.It also solved the problem of losing the data.

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Third GenerationIn 1995’s PDA are small, keyboard less and inbuilt

programmable and stylus touch sensitive screen.The main feature is

User interface Power saving mode.

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Device categories

Two categories are available1. Organizers2. Palm Sized Devices3. PMR

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1. OrganizersIt has tiny Keyboard, large Display.It similar to PC.Example: Psion Series 3 and 5, Windows CE.

2. Palm- Sized Devices It has touch sensitive displays, no key boards and

hand writing recognition based text input method. Example: Palm, IBM Work Pad.

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3. Another Type- PMR Portable multimedia reader and content

player device. It designed to reading or listening to books

in electronic format. It allow mp3-encoding music. Example: Franklin eBook man.

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Operating SystemsPDA consist of

HardwareApplicationsOperating Systems

Three main contendersMicrosoft CEPalmSymbian with EPOC

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Windows CE This OS used in Several Forms for mobile market

Packet PC’s- with out keyboard i.e., pen driven.Handheld PC’s- clam shell sized with tiny Keyboard.Handheld PC Professional- Smaller than laptop but larger than

handheld PC.Other non- mobile applications- Video game consoles and

set top Digital TV box.

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Palm OS

It is stylus Operated devices with touch screen and hand writing developing method.

It working partnership withHandspring IBMQualcore Symbol. It completely developed in the year of 2000.

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EPOC- Electronic Piece Of Cheese

It came from epoch. In 1998, Nokia, Ericsson, Motorola, Psion teamed to form a company called Symbian. It originally developed by Psion. Then join some industry leaders. Such as, Sony, Sun, Philips, NTT, DoCoMo. It develop three designs

Digital Handsets Hand Writing recognition Integrated Wireless Communication

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Other OS’sBe OSQNX NeutrinoExample of Embedded Linux

Agenda VR3- It connected to the internet.It consist of set of PIM applications.It completely Open Source.

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QUESTIONS?

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