WordNet (r) 3.0 (2006):

data processing
    n 1: (computer science) a series of operations on data by a
         computer in order to retrieve or transform or classify
         information

The Free On-line Dictionary of Computing (30 December 2018):

data processing
process data

    The input, verification, organisation, storage,
   retrieval, transformation, and extraction of information
   from data.  The term is normally associated with commercial
   applications such as stock control or payroll.

   (1995-03-30)