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| English | Thesaurus |
| CD-ROM/Extended Architecture | CD-ROM/XA |
| Co-Processing Node Architecture for Parallel Systems | CNAPS |
| extended architecture ready CD-ROM | extended architecture ready compact disk read-only memory (ssn) |
| Financial Services Architecture | FSA |
| Microsoft Services Business Architecture | MSBA (ssn) |
| Naval Architecture Design & Material Assistance Programme | NADMAP (UK) |
| NetWare Telephony Services Architecture | NTSA (Novell) |
| Network Open Services Architecture | NOSA |
| Network Open Services Architecture | NOCA |
| New Information Services Architecture | NISA |
| Systems Network Architecture Distributed Services | SNADS |
| Systems Network Architecture/Management Services | SNA/MS |
| Telephony Services Architecture | TSA |
| Windows Open Services Architecture | WOSA |
| Windows Open Services Architecture | WOCA |
| Windows Open Services/Systems Architecture | WOSA (Microsoft) |