GRIB
Gridded Binary (code, data format)
RIB
RenderMan Interface Bytestream
A-SIT
Austrian Security Information Technology center
AA
American national standard code for information interchange (ASCII) Art
AASP
American national standard code for information interchange (ASCII) Asynchronous Support Package
ABTS
American standard code for information interchange (ASCII) Block Terminal Services
ACE
American national standard code for information interchange (ASCII) Compatible Encoding