Global distribution of maternal causes of. death. A maternal death is defined as the death of a. woman while pregnant or within 42 days of. termination of pregnancy, regardless of the. site or duration of pregnancy, from any cause. related to or aggravated by the pregnancy or. its management.
There are two types of control systems namely: 1  Open loop control systems (non-feedback control systems) 2  Closed loop control systems (feedback control systems)
Effective control systems have certain characteristics. For a control system to be effective, it must be: 1  Accurate. 2  Information on performance must be accurate. 3  Evaluating the accuracy of the information they receive is one of the most important control tasks that managers face. 4  Timely.