MIS Ch 10 – Flashcards
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business process
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a network of activities, repositories, roles, resources, and data flows that interact to accomplish a business function
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roles
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collections of procedures
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resources
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people or computer applications that are assigned to roles
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data flow
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the movement of data from one activity to another or from an activity to a repository, or the reverse
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business process management
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a cyclical (reoccuring) process for systematically creating, assessing, and altering business processes
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as-is model
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documents the current situation and then changes that model to make adjustments necessary to solve process problems
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control objectives for informational and related technology (COBIT)
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a set of standard practices created by the information systems audit and control association. Often used in the assessment stage of the BPM cycle
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object management group
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software-industy standards organization
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business process modeling notation
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a standard set of terms and graphical notations for documenting business processes
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swim-lane layout
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each role in the business process is given its own swim lane
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systems development
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the process of creating and maintaining an information system
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systems development life cycle
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most common technique for developing information systems
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business analysts
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someone who is well versed in porter's models, organizational strategies, and systems allignment theory, like COBIT, and who also understand the proper role for technology
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systems analysts
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IS professionals who understand both business and technology
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test plan
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a formal description of the systems response to use and misuse scenarios, is written
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system conversion
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installing the new system
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pilot installation
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the organization implements the entire system/business processes on a limited portion of the business
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phased installation
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the new system/business processes are installed in phases across the organization(s)
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parallel installation
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the new system/business processed run in parallel with the old one until the new system is tested and fully operational
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plunge installation
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AKA direct installation. The organization shuts off the old system/business processes
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maintenance
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misnomer. The work done during this phase is either to fix the system so that it works correctly or to adapt it to changes in requirements
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Brooks' Law
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famous adage that points out a related problem; adding more poepl to a late project makes the project later
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deliverables
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one or more results
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work-breakdown structure
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a hierarchy of the tasks required to complete a project
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Gantt Chart
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shows tasks, dates, and dependencies
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critical path
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the sequence of activities that determine the earliest date by which the project can be completed
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critical path analysis
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the process by which project managers compress the schedule by moving resources, typically people, from noncritical path tasks onto critical path tasks
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trade-off
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a balancing of three critical factors; requirements, cost, and time
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diseconomies of scale
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the situation that occurs when adding more resources creates inefficiencies, such as those that occur when adding more people to a late project (recall brooks law)
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baseline WBS
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final WBS plan. Shows the planned tasks, dependencies, durations, and resource assignments
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configuration control
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a set of management policies, practices, and tools that developers use to maintain control over the project's resources
