Personal Digital Assistant
PDA is an abbreviated electronic devices and computer-based small form and can be carried everywhere. PDAs are widely used as personal organizers at first, but because of its development, then multiply its uses functions, such as calculators, clocks and time pointer, computer games, The access the Internet, receiving and sending electronic mail (e-mail), a radio receiver, video recorder, and memo recorder.Apart from that with a PDA (pocket computer), we can use the address book and store addresses, e-book, using GPS and many more other functions. Even the PDA version of the more sophisticated can be used as a mobile phone, internet access, intranet, or extranet via Wi-Fi or Wireless Network. One characteristic of the most important PDA was touch-screen facility.