A data model is independent of hardware or software constraints. Rather than try to. represent the data as a database would see it, the data model focuses on representing the. data as the user sees it in the real world.
International AIED Society. AIED is an interdisciplinary community at the frontiers of the fields of computer science, education and psychology. It promotes rigorous research and development of interactive and adaptive learning environments for learners of all ages, across all domains.
An AED is a portable device that analyzes the hearts rhythm and determines if an electric shock is needed to restore an effective rhythm. An AED can deliver that shock, either automatically, or with the push of a button. An AED is not a replacement for CPR or quick activation of the EMS system.