PDA

PDA may stand for:

Personal digital assistant, an electronic device which can include some of the functionality of a computer, a cellphone, a music player and a camera
Pitch detection algorithm, a mathematical method of finding the pitch of a signal
Public display of affection, an area of study within social psychology
Patent ductus arteriosus, a congenital heart defect
Pushdown automaton, a type of abstract device in automata theory
Progressive Democratic Alliance, an historical political party in British Columbia, Canada
Progressive Democrats of America, a political organization in the United States
Past Doctor Adventures, a series of spin-off novels based on Doctor Who
phase-Doppler analyzer, a kind of instrument for measure particle volecity and size
Polydiacetylenes
Polo Democratico Alternativo, (Alternative Democatic Pole), a political party in Colombia
Philbin Da Avenger
Private defense agency
PDA is a song by the band Interpol
Posterior descending artery, one of the coronary arteries
Panic Disorder with Agoraphobia
Perception-Decision-Action, a model of cognition

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