Personal Digital Assistant

Naima Saeed Mohamed

What is personal digital assistant?Features Why ?Purpose of the PDAExpansion card is used forDo’s and Don’tsPDA: Way of FunctioningPDA PowerStandard ApplicationsOperating SystemMemorySummary

PDA is powerful handheld mobile device without a sim card, but with a screen that reads the words written on it with a pen .

Hand-held computer

Store, access, and organize information

Windows-based (Pocket PC)

Palm operating system (Palm PDA)

PDAs can be screen-based or keyboard-based

Screen resolution = (160x160, 320x240 pixels, more on new models. Prices range from ~ $125 - $1000OS includes Calendar (Date Book), Address Book, To-Do List, Memo Pad & Calculator functions.Palm Pilot 1st really successful model.

Gray Scale/Color.

Memory (0.5, 1, 2, 8, 16, 64 MB).

Programmable buttons

Expansion - Memory/Accessories

Small, convenient, easy to use, easy to update and edit (using graffiti or a built-in keyboard).

More convenient than a “Day-Timer” Notebook.

Internet Connectionvia Modem, Wireless or PC Conduit

keep track of your schedule

business and personal contacts

memos

budgets

create digital photo albums

play games

listen to music

use reference software

read eBooks

Memory/Backup Modules

Digital Camera

GPS

Cell Phone

FAX

Modem

Games

storing songs and listening to music

viewing and storing photos (compatible expansion card required) and copying photos to handheld

backing up and copying important information

adding games and other software

adding accessories, such as presentation module

DO’Suse protective coveruse only supplied power adapterkeep battery chargedkeep screen free from dustDON’TSdo not drop or drag handhelddo not expose handheld to very hot or cold temperatures

Simultaneously data entering and data coding

Possibility to enter data in two ways: with selection from the offered list of answers (or from classification in hierarchical order ) or with typing a text

Calendar (Datebook)

Address Book

To-Do List

Memo Notepad (4k limit)

Expenses

Calculator

City Time

Games and so on……..

Palm OS - 3.x, 4.x, 5.x -Works well and efficiently with small handheld devices.

Pocket PC Windows CE -

Resource and power hungry.

Embedded LINUX OS -

Unix operating system

Permanent rechargeable batteriesRemovable rechargeable batteriesLength of service varies on the PDARecharge time may also vary depending on the batteryYou can use the PDA while the battery is recharging

Typically 2MB to 64MB of built-in memoryTwo MB of memory is generally sufficient to fill address books, maintain an active calendar, take notes, and load useful programsMore memory may be needed to store large files like digital photos, databases, or large software programsYou can expand memory of some PDAs with small storage cards that can be inserted into the PDA

• PDA stands for Personal Digital Assistant.• A personal digital assistant (PDA) is a handheld computer, also known as small or

palmtop computers.

• PDAs can be screen-based or keyboard-based

• Small, convenient, easy to use, easy to update and edit.

• Typically 2MB to 64MB of built-in memory.• Prices range from ~ $125 - $1000.

FAX,Modem,Games.

You can use the PDA while the battery is recharging