data processing(Any operation or combination of operations on data, including everything that happens to data from the time they are observed or collected to the time they are destroyed)
data processing system(An assembly of computer hardware, firmware and software configured for the purpose of performing various operations on digital information elements with a minimum of human intervention)
data protection(Policies, procedures or devices designed to maintain the integrity or security of informational elements in storage or in transmission)
data recording technique(The body of specialized procedures and methods used for the preservation, collocation or registration of individual elements of information)
dating(Any of several techniques such as radioactive dating, dendrochronology, or varve dating, for establishing the age of rocks, palaeontological or archaeological specimens, etc.)