DISI
Direct Injection Sparc Ignition
ISI
Information Sciences Institute of the University of Southern California
ISI
Inter Symbol Interference
ISI
Internally Specified Index
ISIN
International Securities Identification Number
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