A personal digital assistant (PDA) is also known as a palmtop computer. It is a handheld computer. Newer PDAs have color screens and audio capabilities. This makes it possible for it to be used as portable media players, smartphones or mobile phones, or web browsers. Internet, extranets or intranets can be accessed by many PDAs now using Wireless Wide-Area Networks or Wi-Fi. PDAs have been introduced with Touch Screen technologies.
The first PDA to be launched was CASIO PF-3000 in 1983. 9000 Communicator was the first mobile phone to have PDA functionality. This product of Nokia launched in 1996 became the best selling PDA. Following this, smartphones such as Apple iPhone, Nokia N-Series and RIM Blackberry emerged as a new category of phones. The new PDAs come with a memory card for storing data and the touch screen. WiFi, Bluetooth, or IrDA provided the connectivity. The softkeys, numeric keyboard or a thumb keyboard or directional pad for input continue to be used by those that are yet to have touch screen technology. The software normally includes a to-do list, an address book, appointment calendar and a note program. The PDAs that have connectivity offers web support along with E-mail. The user can access the information stored in PDAs when ever needed. Realtime automobile navigation is provide with those PDAs that come with the differential Global Positioning System (GPS) receivers. Such PDAs are installed in some of the new cars. Traffic conditions, road conditions, dynamic routing and roadside mobile radar guns are displaced by many of the PDAs that are enabled with these features.
Some of the well known PDAs include E-TEN, Abacus PDA Watch, Acer N Series, AlphaSmart, Audiovox (Sprint) PPC Series, Amida Simputer, Encore Simputer, BlackBerry, Fujitsu Siemens Loox, HP iPAQ, I-mate, Nokia E Series, Dell Axim X51, Motorola Rokr E6, MotoRokr E8, SonyEricsson P-series, and Apple Inc.’s iPhone & iPod Touch. You could check out further details as for instance for Dell Axim X51 from Dell Axim X51 review.
PDAs are also used for mobile data applications by businesses and government organizations. Applications include package delivery, supply chain management in warehouses, medical treatment and record keeping in hospitals, route accounting, parking enforcement, facilities maintenance and management, capital asset maintenance, access control and security, ‘wireless waitress’ applications in restaurants and hospitality venues, and meter reading by utilities. Data capture devices such as Bar Code, Smart Card Readers and RFID were also incorporated into many of these PDAs. 77
In man’s everyday transactions, PDA gadgets have contributed a lot to make things work out. A lot of brands can be seen in the market and that is why, selecting a reputable company always works best.
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