If project is the enhancement of existing system, which model is best suited?

Related MCQs

• 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.
• 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
• If requirements are easily understandable and defined, which model is best suited?
• In system modeling : A-Classification model; B-Stimulus-response model; C-Data processing model: 1-Here data-flow diagram show how data is processed at different stages; 2-Here object class/inheritance diagram show, how entities have the common characteristics; 3-Here state transition diagram shows the how the system reader to internal and external events
• 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
• Which of the following steps may not be used to define the existing data model as a precursor to re-engineering a new database model:
• 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.
• It is concerned with making decision about the best way for an organization that acquire a system and deciding on the best suppliers of that system.
• --------- it include the study like can the work for the project is done with current equipment existing software technology and with available manpower.
• 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