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Terms in this set (29)
organization strategic plan
identifies the firm's overall mission, the goals that follow from that mission, and the broad steps required to reach these goals.
IT strategic plan
a set of long-range goals that describe the IT infrastructure and identify the major IT initiatives needed to achieve the organization's goals.
IT steering committee
comprised of a group of managers and staff who represent the various organizational units, is created to establish IT priorities and to ensure that the MIS function is meeting the organization's needs.
IS operational plan
consists of a clear set of projects that the IS department and the functional area managers will execute in support of the IT strategic plan.
3 objectives of an IT strategic plan
Must be aligned with the organizations strategic plan. Provide for an IT architecture. Efficiently allocate IS development resources.
Major tasks for IT steering committee
Link corporate strategy with IT strategy. Approve the allocation of resources for the MIS function. Establish performance measures for the MIS function and ensure they are met.
System development life cycle
the traditional systems development method that organizations use for large-scale IT projects. The SDLC is a structured framework that consists of sequential processes by which information systems are developed.
IS professionals who specialize in analyzing and designing information systems.
IS professionals who either modify existing computer programs or write new programs to satisfy user requirements.
experts on a certain type of technology, such as databases or telecommunications.
include everyone who is affected by changes in a company's information systems—for example, users and managers. All stakeholders are typically involved in systems development at various times and in varying degrees.
analyzes which of three basic solutions best fits the particular business problem. It also provides a rough assessment of the project's technical, economic, and behavioral feasibility, as explained below.
determines whether the company can develop and/or acquire the hardware, soft ware, and communications components needed to solve the business problem. Technical feasibility also determines whether the organization can use its existing technology to achieve the project's performance objectives.
determines whether the project is an acceptable financial risk and, if so, whether the organization has the necessary time and money to successfully complete the project.
addresses the human issues of the systems development project.
the process whereby systems analysts examine the business problem that the organization plans to solve with an information system. Systems analysis deliverable is a set of system requirements.
three major conversion stategies
Direct conversion, pilot conversion, phased conversion.
the old system is cut off , and the new system is turned on at a certain point in time. This type of conversion is the least expensive and the most risky.
introduces the new system in one part of the organization, such as in one plant or one functional area. The new system runs for a period of time and is then assessed. If the assessment confirms that the system is working properly, then the system is implemented in other parts of the organization.
introduces components of the new system, such as individual modules, in stages. Each module is assessed. If it works properly, then other modules are introduced, until the entire new system is operational.
old and new systems operate simultaneously for a time, but this strategy is seldom used today.
Systems require several types of maintenance
Debugging, updating, adding
(the system) a process that continues throughout the life of the system.
(the system) to accommodate changes in business conditions (e.g., adjusting to new governmental regulations).
new functions added to the existing system without disturbing its operation
Joint application design
a group-based tool for collecting user requirements and creating system designs. It is most often used within the systems analysis and systems design stages of the SDLC. JAD involves a group meeting attended by the analysts and all of the users that can be conducted either in person or via the computer. During this meeting, all users jointly define and agree on the systems requirements.
Rapid application development
a systems development method that can combine JAD, prototyping, and integrated computer-assisted software engineering (ICASE) tools to rapidly produce a high-quality system. In the first RAD stage, developers use JAD sessions to collect system requirements. This strategy ensures that users are intensively involved early on. The development process in RAD is iterative.
a software development methodology that delivers functionality in rapid iterations, which are usually measured in weeks. To be successful, this methodology requires frequent communication, development, testing, and delivery.
End user development
an approach in which the organization's end users develop their own applications with little or no formal assistance from the IT department.
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