If you’re the type that likes to be on time, know where everything is, and enjoy life, you’ll love a PDA. These small computer-type devices have changed the way we live.

iPAQ is a pocket personal computer and a personal digital assistant (PDA). It was introduced by Compaq in 1999. It combines mobile phone, PDA, palm top computer and smart phone. It also has GPS facility, a card reader, wireless networking and Bluetooth interface. It combines the functionalities of multimedia used with Microsoft Windows interface. iPaq runs on an Intel Celeron processor or an Intel Pentium III processor. It has a processing speed of 500 MHz to 1 GHz. Its memory ranges from 128 MB to 512 MB and this can also be upgraded. iPAQ was initially developed by Digital Equipment Corporation Western Research Laboratory (WRL). Hewlett Packard acquired Compaq and is now marketed under the HP brand.

PDAs evolved from its earlier humble Personal Information Manager applications such as a notebook, diary, some games, address and phone book, common reference material and handwriting recognition software to incorporate such programs including as To-do list, Diary/scheduler, Drawing application, Notepad, Calculator, Finance software, Alarms, Organizer, File manager, World time, Data synchronization, Voice recorder and Printer connection. Emailing and web browsing were added with the emergence of wireless connections. Spell checker, Word processor, Excel, PowerPoint, Spreadsheet and Custom dictionary are other programs. Addition of Global Positioning System (GPS) made tracking of movement, customized maps and directions, and organizing detailed travel plans became possible. Route maps could be charted with the Route Planner application of Palmtop Software.

Some of the top handheld PDA gadgets are HP iPAQ 111 Classic Handheld, Palm TX Handheld, Palm Tungsten E2 Handheld, Nokia N810 Portable Internet Tablet, HP iPAQ 210 Enterprise Handheld, HP iPAQ HX4705, HP iPAQ HX4705 pocket, Asus A626 3.5-inch PDA Windows Mobile 6.0, HP iPAQ HW6515, HP iPAQ HW6900 Mobile Messenger, Dell Axim X51v, HP iPAQ H6315, HP iPAQ 2215 Pocket PC, Palm Tungsten E2, HTC Advantage X7501, RIM BlackBerry Curve (8300), Palm Treo 755p, Apple iPhone, Nokia 02700T6 N810 WiMAX Edition Portable Internet Tablet, and Sony Ericsson C905i Unlocked Cell Phone and many more.

The PDA application covers a wide spectrum of life and work and is spreading even more. It includes shopping, mobile banking, specialized Internet services as stock quotes, foreign exchange rates, weather, sports scores and maps. The PDA is also an e-book reader, a photo wallet, a mobile web browser and an alarm clock besides many others. PDAs is also becoming more compact, handy and smaller with convergence of technologies and programs.

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