A personal digital assistant (PDA) is a hand held computer. It is also known as palmtop computer. These can be used as web browsers, smartphones or mobile phones, or portable media players with the introduction of audio capabilities and color screens. The Wi-Fi or Wireless Wide-Area Networks is used to access intranets or extranets, and Internet by many PDAs now. Newer PDAs have Touch screen technologies.
CASIO PF-3000 was the first PDA to be launched in 1983. PDA functionality was first introduced into mobile phone by Nokia in 1996 called 9000 Communicator which is the best selling PDA in the world. This also led to the emergence of the category of phones called smartphones such as the RIM Blackberry, Nokia N-Series and Apple iPhone. The present PDA has the touch screen, and a memory card slot for data storage. Connectivity is provided by Bluetooth, WiFi or IrDA. Those without the touch screen continue with a directional pad, softkeys and a thumb keyboard or numeric keyboard for input. The software typically includes a to-do list, appointment calendar, an address book and a note program. Web support and E-mail is available with those PDAs having web connectivity.PDAs can store information which can be accessed whenever the user wants to access them. PDA, when fitted with differential Global Positioning System (GPS) receivers, offer realtime automobile navigation. New cars are often fitted with such PDAs. Many PDAs are also enabled to display road conditions, traffic conditions, roadside mobile radar guns and dynamic routing.
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.
Business as well as government organizations use PDAs for mobile data applications. These applications include package delivery, medical treatment and record keeping in hospitals, supply chain management in warehouses, parking enforcement, route accounting, capital asset maintenance, facilities maintenance and management, ‘wireless waitress’ applications in restaurants and hospitality venues, access control and security and meter reading by utilities. Data capture devices such as RFID, Smart Card Readers and Bar Code were also built into many of these PDAs.
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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