MIS Chapter 10

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MIS Chapter 10
2010-04-12 17:25:05

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  1. agile development
    A software development methodology that delivers functionality in rapid iterations, measured in weeks, requiring frequent communication, development, testing, and delivery
  2. application portfolio
    The set of recommended applications resulting from the planning and justification process in application development
  3. Application service provider (ASP)
    An agent or vendor who assembles the software needed by enterprises and packages them with outsourced development, operations, maintenance, and other services
  4. component-based development
    A software development methodology that uses standard components to build applications
  5. Computer-aided software engineering (CASE)
    Development approach that uses specialized tools to automate many of the tasks in the SDLC; upper CASE tools automate the early stages of the SDLC, and lower CASE tools automate the later stages.
  6. direct conversion
    Implementation process in which the old system is cut off and the new system is turned on at a certain point in time.
  7. feasibility study
    Investigation that gauges the probability of success of a proposed project and provides a rough assessment of the project's feasibility.
  8. implementation
    The process of converting from an old computer system to a new one.
  9. integrated CASE (ICASE) tools
    CASE tools that provide links between upper CASE and lower CASE tools
  10. IT steering committee
    A commitee, comprised of a group of managers and staff representing various organizational units, set up to establish IT priorities and to ensure that the MIS function is meeting the needs of the enterprise.
  11. IT strategic plan
    A set of long- range goals that describe the IT infrastructure and major IT initiatives needed to achieve the goals of the organization.
  12. joint application design (JAD)
    A group-based tools for collecting user requirements and creating system designs
  13. logical system design
    Abstract specification of what a computer system will do
  14. outsourcing
    Use of outside contractors or external organizations to acquire IT services
  15. phased conversion
    Implementation process that introduces components of the new system in stages, until the entire new system is operational
  16. physical system design
    Actual physical specifications that state how a computer system will perform its functions.
  17. pilot conversion
    IMplementation process that introduces the new system in one part of the organization on a trial basis; when the new system is working properly, it isintroduced in other parts of the organization.
  18. programming
    The translation of a system's design specifications into computer code
  19. prototyping
    Approach that defines an initial list of user requirements, builds a prototype system, and then improves the system in several iterations based on user's feedback
  20. rapid application development (RAD)
    A development method that uses special tools and an interative approach to rapidly produce a high-quality system
  21. request for proposal (RFP)
    Document that is sent to potential vendors inviting them to submit a proposal describing their software package and how it would meet the company's needs
  22. scope creep
    Adding functions to an information system after the project has begun
  23. service level agreements (SLAs)
    Formal agreements regarding the division of work between a company and its vendors
  24. systems analysis
    The examination of the business problem that the organization plans to solve with an information system
  25. systems analysts
    IS professionals who specialize in analyzing and designing information systems
  26. systems design
    Describes how the new system will provide a solution to the business problem
  27. systems development life cycle (SDLC)
    Traditional structured framework, used for large IT projects, that consists of sequential processes by which information systems are developed.
  28. systems stakeholders
    All people who are affected by changes in information systems
  29. technical specialists
    Experts on a certain type of technology, such as databases or telecommunications
  30. Waterfall approach
    SDLC approach in which tasks in one stage were completed before the work proceeded to the next stage.