| Soluzione | Definizione |
|---|---|
| ITIS | INTEGRATED TAXONOMIC INFORMATION SYSTEM IN 4 LETTERE |
| CRIS | CENTRE FOR RAILWAY INFORMATION SYSTEMS |
| DIRECTORY | IN INFORMATICA, INDIRIZZO DEL FILE SYSTEM |
| DOS | DISK OPERATION SYSTEM |
| ERIC | EDUCATION RESOURCES INFORMATION CENTER |
| IDE | INTEGRATED DEVELOPMENT ENVIRONMENT |
| IDP | INTEGRATED DATA PROCESSING |
| JETSET | ALTRO MODO DI RIFERIRSI ALLO STAR SYSTEM |
| OPERATING | LA O DEL D.O.S., DISK SYSTEM |
| PDS | PLANETARY DATA SYSTEM PROTECTIVE DISTRIBUTION SYSTEM, |
| SMIT | SYSTEM MANAGEMENT INTERFACE TOOL |