Personal Digital Assistant
<computer> (PDA) A small hand-held computer typically providing calendar,
contacts, and note-taking applications but may include other applications, for
example a web browser and media player. Small keyboards and pen-based input
systems are most commonly used for user input.
The Apple Newton was a fairly early example.
[First? Notable examples? Current Best?]
Personal Communication Services « personal computer
« Personal Computer Memory Card International
Personal Digital Assistant » Personal
Identification Number » Personalized Array
Translator » person of no account