Final answer:
Data Accumulation is the term defined as an accumulation of data to be processed.
Step-by-step explanation:
The term that is defined as "an accumulation of data to be processed" is Data Accumulation.
Data Accumulation refers to the process of collecting and gathering data before it is processed or analyzed. It involves the collection and storage of raw data for later use. For example, a company may accumulate customer data from various sources before processing it to gain insights and make decisions.