System decommissioning normally takes place

Related MCQs

• Match the following: A- Formal mathematical transformation: B- Formal process model: C-Formal Specifications: D-Formal System development: 1- Here the formal mathema- tical representation of the system takes place. 2- It is a starting point for process analysis. It is abstract and only defines the principal process activities and deliverables. 3-Specifications expressed in a language whose vocabulary, syntax and semantics are formally defined. 4-It is more common to waterfall model, but here the development process is based on formal mathematical transformation of a system specification to an exactable program.
• System operation takes place after
• In system modeling : A-Model; B-Prototype;; 1- it’s an abstract view of a system that ignores system details; 2-It’s an initial version of system software which givers end-users a concrete impression of the system capacities
• In system modeling: A-Architectural model: B-Stimulus-response model: C-Behavioral models: 1-Used to describe the overall behavior of the system: 2-State transition diagram show how the system reacts to internal and external events: 3-Shows principal sub-systems which makes the system
• The system modeling is normally referred to
• In system modeling Statement- 1: State-machine model is used to model the behavior of a system in response to internal and external events. Statement- 2: Stimulus response model represents state transition diagram that show how system reacts to internal and external events.
• A control model where one system component is designed as system manager which controls the starting, stopping and coordination other system processes can be referred as
• An event driven control system, when an event is transmitted to each sub-system and each sub-system that handles that event responds to it is referred as
• It is a property of the system that equates to its trustworthiness. It is the degree of user’s confidence that the system will operate as one expect, that the system would not fail in normal use.
• Match the following : A- Maintenance control: B- Maintenance prediction: C- Maintenance process: 1-Cost of planning and scheduling hardware preventive maintenance, and software maintenance and upgrades, managing the hardware and software baselines, and providing response for hardware corrective maintenance. 2- Predicting the number of change requires a system understanding and the relationship between the system and external environment. 3- It is triggered by a set of change requests from system users, management or customers.