PDA means personal digital assistant, PDA is a computer that fits in your hand also known as a palmtop computer. latest PDAs also have different color screens and audio, video capabilities, enabling them to be used as mobile phones or smart phones, web browsers, or portable media players. a great way to store telephone numbers, email addresses, Many PDAs can access the Internet, intranets or extranets via Wi-Fi, or Wireless Wide Area Networks (WWANs). A PDA can store, access, and transfer virtually any kind of data, including maps, spreadsheets, presentations, and dockets. Many PDAs employ sensor technology (touch screen technology).

PDA technology use has been growing exponentially at a dramatic rate since 2000. This includes Windows based personal digital assistant devices, as well as Windows based Pocket Personal computer Smart phones.

The first PDA was released in May 1983 measured by CASIO PF-3000. GO Corp. was also initiating in the field. The term was first used on January 7, 1992 by Apple Computer CEO John Sculley at the Consumer Electronics Show in Las Vegas, Nevada, referring to the Apple Newton. Nokia introduced the first mobile phone In 1996 with full PDA functionality, the 9000 Communicator, which has since grown to become the world's best-selling PDA and which spawned a category of phones called the smart phone. Today the huge majority of all PDAs are smart phones, selling over 150 million units while non-phone ("stand-alone") PDAs sell only about 3 million units per year. The RIM Blackberry, the Apple iPhone and the Nokia N-Series are typical smartphones.

PDA Platforms
RIM Blackberry
Apple iPhone
Symbian
Mobile phones
Palm OS Pocket PC