Before revision: History Emergent ideas out of data managementIn the 1970s, the management of information largely concerned matters closer to what would now be called data management: punched cards, magnetic tapes and other record-keeping media , involving a life cycle of such formats requiring origination, distribution, backup, maintenance and disposal.
After revision: History sDigital media| closer to what would now be called data management: punched cards, magnetic tapes and other record-keeping media , involving a life cycle of such formats requiring origination, distribution, backup, maintenance and disposal.