De or het dataprocessing?

The correct Dutch article is:

de dataprocessing

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) (informatica) informatieverwerking

How to use dataprocessing

the dataprocessingde dataprocessing
this dataprocessingdeze dataprocessing
that dataprocessingdie dataprocessing
our dataprocessingonze dataprocessing
your dataprocessingjouw dataprocessing
every dataprocessingelke dataprocessing
which dataprocessing?welke dataprocessing?
a big dataprocessing / the big dataprocessingeen grote dataprocessing, de grote dataprocessing

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).