The meaning of the Acronym DDA is...

DDA is

• Data Delivery Acknowledgement
• Digital Differential Analyzer
• ICD Departure Authorization

More Meanings For DDA:

• Design Data Analysis
• Digital Difference Analyzer
• Digital Differential Analyzer
• Digital Directional Antenna
• Dembling + Dembling Architects, P.C.
• Digital Differential Analyzer
• Danish Data Archive
• Deaf Dog Advocate
• Ding Dongs Anonymous
• Dual Disorders Anonymous
• Dispensing Doctors' Association
• Demand Deposit Account
• Demello D'entremont Associates
• Doha Development Agenda
• Division of Drug Analysis (CDER)

DDA is also in:

• Accounting
• Amateur Radio
• Architecture
• Dogs Related
• Electronics
• FDA
• Firms
• Funnies
• General
• Hardware
• International Business
• Libraries
• Veterinary