NCSA
National Center for Supercomputing Applications, USA
NCSA
National Computer Security Association
1TR6
(ISDN-Protokoll D-Kanal, national)
A
Advanced, American, Amplitude, Application, Architecture, Area, Association
AA
American national standard code for information interchange (ASCII) Art
AAAAAA
Association for the Abolition of Abused Abbreviations and Asinine Acronyms
AAAI
American Association for Artificial Intelligence