PDA Personal Digital Assistant is an abbreviated, computer-based electronic devices and small form and can be taken everywhere. PDAs are widely used as personal organizers at first, but because of its development, then multiply the function uses, such as a calculator, bookmark hours and time, computer games, who accessed the Internet, receiving and sending electronic mail (e-mail), a radio receiver, video recorder, and memo recorder. Apart from it with a PDA (pocket computer), we can use the address book and store addresses, e-book reading, using GPS and many more other functions. Even a more sophisticated version of the PDA can be used as mobile phones, Internet access, intranets, or extranets via Wi-Fi or Wireless Network. One characteristic of most primary PDA is a touch screen facility.