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)
How Operating Systems Work. Within the broad family of operating systems, there are generally four types, categorized based on the types of computers they control and the sort of applications they support. Real-time operating system (RTOS) - Real-time operating systems are used to control machinery, scientific instruments and industrial systems.