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Systems design attempts to answer the questions "What is the problem, and is it worth solving?"
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| Systems investigation attempts to answer the question "What must the information system do to solve the problem?" |
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| Systems design seeks to answer the question "How will the information system do what is must do to obtain the problem solution?" |
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| Systems analysis details system outputs, inputs, and user interfaces; specifies hardware, software, database, telecommunications, personnel, and procedure componenets; and shows how these components are related. |
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| Systems design results in an installed, operational information system that meets the business needs for which it was developed. |
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| Prototyping begins with creating a preliminary model of a major subsystem or a scaled-down version of the entire system. |
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| Agile development requires frequent face-to-face meetings with the systems developers and users as they modify, refine, and test how the system meets users' needs and what its capabities are. |
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| XP uses pairs of programmers who work together to design, test, and code parts of the systmes they develop. |
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| JAD often uses group support systems (GSSs) software to foster positive group interactions, while suppressing negative group behavior. |
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| Legal feasibility can included logistical and motivational (acceptance of change) considerations. |
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| Legal feasibility involves an analysis of existing and future laws to determine the likelihood of legal action against the systems development project and the possible consequences. |
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| The object-oriented approach can be used during all phases of systems development, from investigation to maintenance and review. |
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| The primary outcome of systems analysis is a prioritized list of systems requirements. |
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| Data modeling is most often accomplished through the use of entity-relationship (ER) diagrams. |
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| Activity modeling is often accomplished through the use of data-flow diagrams. |
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| DFDs work on the premise that every activity involves some communication, transference, or flow that can be described as a data element. |
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| The primary result of the systems maintenance phase is a technical design that details system outputs, inputs, and user interfaces; specifics hardwars, software, databases, telecommunications, personnel, and procedures; and shows how these components are related. |
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| A sequence of events is often called an interface, and can be diagrammed in a sequence diagram. |
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| Paralel start-up involves running the new system for one group of users rather than all users. |
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| Pilot start-up involves running both the old and new systems for a period of time. |
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| A ___ is a professional who specializes in analyzing and designing business systems. |
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| In systems development, the ___ is responsible for modifying or developing programs to satisfy user requirements. |
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| In the ___ phase of the SDLC, potential problems and opportunities are identified and considered in light of the goals of the business. |
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| The ___ phase of the SDLC involves studying exisitng systems and work processes to identify strengths, weaknesses, and opportunities for improvement. |
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| The primary result of the ___ phase is a technical design that either describes the new system or describes how existing systems will be modified. |
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| ___ involves creating or acquiring the various system components detailed in the systems design, assembling them, and placing the new or modified system into operation. |
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| ___ takes an iterative approach to the systems development process. During each iteration, requirements and alternative solutions to the problem are identified and analyzed, new solutions are designed, and a portion of the system is implemented. |
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| ___ employs tools, techniques, and methodologies designed to speed application development. |
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| Rapid application development |
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| RAD makes extensive use of the ___ process for data collection and requirements analysis. |
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| joint application development |
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| ___ combine(s) the logic of the systems development life cycle with the power of object-oriented modeling and programming. |
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| Object-oriented systems development |
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| The ___ is a document that is filled out by someone who wants the IS department to initate systems investigation. |
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| ___ feasibility is concerned with whether the hardware, software, and other system components can be acquired or developed to solve the problem. |
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| ___ feasibility determines whether the project makes financial sense and whether predicted benefits offset the cost and time needed to obtain them. |
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| ___ feasibility determines whether laws or regulations can prevent or limit a systems development project. |
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| ___ feasbility is a measure of whether the project can be put into action or operation. |
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| The ___ report summarizes the results of systems investigation and the process of feasibility analysis and recommends a course of action: continue on into systems analysis, modify the project in some manner, or drop it. |
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| The purpose of ___ is to seek additional information about the problems or needs identified in the systems investigation report. |
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| With ____, one or more members of the analysis team directly obserce the existing system in action. |
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| When many data sources are spread over a wide geographic area, ___ might be the best approach to data collection. |
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| ___ is the manipulation of the collected data so that the development team members who are participating in systems analysis can use the data. |
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| ____ is a commonly accepted approach to modeling organizational objects and associations that employ both text and graphics. |
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| A(n) ___ models objects, associations, and activities by describing how data can flow between and around various objects. |
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| The purpose of ___ is to answer the question "How will the information system solve a problem?" |
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| ___ is a description of the functional requirements of a system. |
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| ___ is the specification of the characteristics of the system components necessary to put the logical design into action. |
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| A(n) ___ is the primary result of systems design, reflecting the decisions made and preparing the way for systems implementation. |
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| ____ includes hardware acquisition, programming and software acquistion or development, user preparation, hiring and training of personnel, site and data preparation, installation, testing, start-up, and user acceptance. |
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| The preparation of the location of a new system is called ___. |
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| ____ involves making sure that all files and databases are ready to be used with new computer software and systems. |
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| ____ is the final step of systems development, involving the analysis of systems to make sure that they are operating as intended. |
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