| Systeminformatik | Nominativ, Singular | nominative case, singular | |
| Systeminformatike | Genitiv, Singular | genitive case, singular | |
| Systeminformatiken | Dativ, Singular | dative case, singular | |
| Systeminformatik(e)s | Akkusativ, Singular | accusative case, singular | |
| Systeminformatiker | Nominativ, Plural | nominative case, plural | |
| Systeminformatikern | Genitiv, Plural | genitive case, plural | |
| Systeminformatikn | Dativ, Plural | dative case, plural |