MIS Chapter 9 Systems Development and Project Management – Flashcards
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legacy system
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is an old system that is fast approaching or beyond the end of its useful life within an organization
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conversion
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is the process of tranferring information from a legacy system to an new system
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software customization
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modifies software to meet specific user or business requirements
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off-the-shelf application software
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supports general business processes and does not require any specific software customization to meet organization's needs
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systems development life cycle (SDLC)
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is the overall process for developing information systems, from planning and analysis through implementation and maintenance
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SDLC and its Associate Activities
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planning, analysis, design, development, testing, implementation, and maintenance
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planning phase
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established a high-level plan of the intended project and determines project goals
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change agent
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is a person or even that is the catalyst for implementing major changes for a system to meet business changes
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brainstorming
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is a technique for generating ideas by encouraging particupants to offer as many ideas as possible
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project
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is a temporary activity a company undertakes to create a unique product, service, or result
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project manager
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is an individual who is an edpert in project planning and management, defins and develops the project plan, and tracks the plan to ensure that the project is completed on time and on budget
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project scope
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describes the business need (the problem the project will solve) and the justification, requirements, and current boundaries for the project
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project plan
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is a formal, approved document that managers and controls the entire project
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analysis phase
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the firm analyzes its end user business requirements and erfines project goals into defines functions and operations of the intended system
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business requirements
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are the specific business requests the system must meet to be successful, so the analysis phase is critical because business requirements drive the entire systems development effort
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requirements management
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is the process of managing changes to the business requirements throughout the project
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requirements definition document
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prioritized all of the buiness requirements by order of importance to the company
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sign-off
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is the users' actual signatures indicating they approve all the of the business requirements
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process modeling
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involves graphically representing the processes that capture, manipulate, store, and distribute information between a system and its environment
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data flow diagram (DFD)
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illustrates the movement of information between external entities and the process and data stores within the system
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computer-aided software engineering (CASE)
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tools are software suites that automate systems analysis, design, and development
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design phase
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establishes descriptions of the desired features and operations of the system, including screen layouts, business rules, process diagrams, pseudocode, and other documentation
