The first hand held computer to be launched was by Casio with its Casio PF-3000 in 1983. It was a simple digital diary. The first pocket computer to be developed was by Psion in United Kingdom in 1984. Psion Organiser I had a flat-file data base, clock and calculator. It had no operating system. This marked the beginning of the emergence of an altogether new and exciting range of hand held computers called as Personal Digital Assistants, palm tops or palm pilots. Companies such as Apple and Palm Computing were amongst the first one to join in with their own versions of handheld computers. The most well know PDA was the Palm Pilot which was launched towards the end of 1990s. In 1996, Nokia introduced the first mobile phone with PDA functionality. This was called 9000 Communicator and became a top selling PDA in the world. A new category of phones emerged, the smartphones, such as the RIM Blackberry, Nokia N-Series and Apple iPhone.
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iPAQ is a pocket personal computer as well as a personal digital assistant (PDA) which was introduced by Compaq in 1999. Hewlett Packard acquired Compaq and is now marketed under the HP brand. It is a combination of mobile phone, PDA, palm top computer and smart phone. It also has GPS facility, a card reader, wireless networking and Bluetooth interface. It has the advantage of having multimedia capabilities using with Microsoft Windows interface. 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. |
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