PDAs: Moving Beyond Laptop Computers
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.
The first PDA to be launched was the CASIO PF-3000 in 1983. Nokia introduced the PDA functionality for the first time into mobile phone in 1996. This was called 9000 Communicator and became the world’s best selling PDA. Smartphones, a category of phones, emerged for instance the Nokia N-Series, RIM Blackberry and Apple iPhone. The present PDA has a memory card slot for storing data and the touch screen. Bluetooth, IrDA or WiFi provide the connectivity. The softkeys, directional pad and a numeric keyboard or thumb keyboard for input continue to be used with those PDAs that do not have the touch screen facility. The software programs normally included are appointment calendar, a to-do list, a note program and an address book. The PDAs that have connectivity have E-mail and web support. Information can be stored in PDAs and can be accessed by the user when needed. Realtime automobile navigation is offered by PDAs that are fitted with differential Global Positioning System (GPS) receivers. Such PDAs are available in some of the new cars. Road conditions, roadside mobile radar guns, traffic conditions and dynamic routing are displayed by many PDAs.
The popular PDAs include Abacus PDA Watch, E-TEN, AlphaSmart, Acer N Series, Amida Simputer, Audiovox (Sprint) PPC Series, BlackBerry, Encore Simputer, HP iPAQ, Fujitsu Siemens Loox, Nokia E Series, I-mate, Motorola Rokr E6, Dell X51, SonyEricsson P-series, MotoRokr E8, and Apple Inc.’s iPhone & iPod Touch.
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.
PDA gadgets have helped man’s daily activities become easier. As the PDA market offers more and brands, it is always good to choose the products from credible companies.
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Posted: July 5th, 2010 under Computers.
Tags: blue tooth, Business, Computers, digital, digital gadgets, gadgets, mobile phones, palmtop computers, PDA applications, personal digital assistant, portable gadgets, technological developments, technological gadgets, technology