PDA

PDA is an initialism:

• Personal Digital Assistant, a type of handheld computer.
• Public display of affection, an area of study within social psychology.
• Patent ductus arteriosus, a medical term referring to a congenital defect where the ductus arteriosus fails to close after birth.
• Pushdown automaton, a type of abstract device in automata theory.

This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page.