From the early 1900s to the 1960s, data processing was tabulating machines ... See punch card. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Data processing is a set of methods that are used to input, retrieve, verify, store, organize, analyse or interpret a set of data. Data processing enables information to be automatically extracted ...

Any unit of data defined for processing is a data element ... set of values or range of values may also be part of the definition. Technically, a data element is a logical definition of data ...