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Personal digital assistant(PDA)

Personal digital assistant(PDA)

  • January 22,2016.

Personal digital assistant


A personal digital assistant (PDA), also known as a handheld PC, or personal data assistant, is a mobile device that functions as a personal information manager. The term evolved from Personal Desktop Assistant, a software term for an application that prompts or prods the user of a computer with suggestions or provides quick reference to contacts and other lists. PDAs were largely discontinued in the early 2010s after the widespread adoption of highly capable, in particular iOS and Android-based, smartphones.


Nearly all PDAs have the ability to connect to the Internet. A PDA has an electronic visual display, enabling it to include a web browser, all models also have audio capabilities enabling use as a portable media player, and also enabling most of them to be used as mobile phones. Most PDAs can access the Internet, intranets or extranets via Wi-Fi or Wireless Wide Area Networks. Most PDAs employ touchscreen technology.

Operating systems of PDAs

The most common operating systems pre-installed on PDAs are:-

  1. Palm OS
  2. Microsoft Windows Mobile (Pocket PC) with a Windows CE kernel.
  3. WebOS

Other, rarely used operating systems:

  1. EPOC, then Symbian OS (in mobile phone + PDA combos)
  2. Linux
  3. Newton
  4. QNX (also on iPAQ)

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