Abbreviations beginning with a

ADCUAdvanced Digital Control Unit
Computing » Hardware

ADCUAnalog Data Collection Unit
Computing » Hardware

ADCUApplication Developers Customer Unit
Computing » Software

ADCUAssociation of Data Communications Users
Computing » General

ADCUAssociation of Data Communications Users
Computing » IT

ADCUAsynchronous Data Channel Unit
Computing » Networking

ADCUAirworthiness Design and Certification Unit
Governmental » Transportation

ADCUAlcohol and Drug Coordination Unit
Governmental » Police

ADCUAnalog to Digital Converter Unit
Governmental » Military

ADCUAnti-Drugs Co-ordination Unit
Medical » British Medicine

ADCUAC to DC Converter Unit
Miscellaneous

ADCUAdmissions and Day Case Unit
Miscellaneous » Unclassified

ADCUAgricultural Diversification Coordinating Unit (Organisation of Eastern Caribbean States)
Miscellaneous

ADCUAlarm Display and Control Unit
Miscellaneous

ADCUAssisted Driving Control Unit
Miscellaneous » Unclassified

ADCUAssociation of Data Communications Users, Incorporated
Miscellaneous

ADCUAteneo De Cagayan University (est. 1933; Xavier University; Philippines)
Miscellaneous

ADCUAunty Donna Cinematic Universe
Miscellaneous » Unclassified

ADCUAustralian Defence Credit Union (Sydney, NSW, Australia)
Miscellaneous

ADCUAutomated Driving Control Unit
Miscellaneous » Unclassified