Applications combination of hardware software and

This preview shows page 14 - 19 out of 21 pages.

Applicationscombination of hardware, software, and data components that accomplish a set of requirements.• Control flow and data flowA business process may have none or multiple IS (0 or many) Every IS has at least one application (1 or many)1. Business processes, information systems, applications have different characteristics and components.2. Relationship of business processes to information systems is many-to many, or N:M.Business process need not relate to any information system, but an information system relates to at least one business process. 3. Every IS has at least one application because every IS has a software componentDevelopment process (3 types)Business Process Development (BPM) Systems Development Life Cycle (SDLC) SCRUM• Why do processes need management?
3 fundamental reasons
Improve process quality Change in technology Change in business fundamentals• BPM activitiesBusiness Process ManagementBusiness process is a network of activities, repositories, roles, resources, and flows that interact to accomplish a business function.4 Stages of BPMModel processCreate componentsImplement processAssess resultsRoles - Collections of activitiesResources - People or computer applications assigned to rolesFlow - Control flow - directs order of activities Data flow. The movement of data among activities & repositories• Using BPMN to model processes
• Phases of the SDLC Definition phaseAnalysis phase
Component design phaseSystem maintenance phase• Keys to successful SDLC projects Create a work-breakdown structure (WBS) Estimate time and costs Create a project plan Adjust plan via trade-offs Manage development challenges• Diseconomies of scale
Brook’s Law“Adding more people to a late project makes the project later.” New staff must be trained by productive members who lose productivity while training Schedules can be compressed only so far Once a project is late and over budget, no good choice exists• SCRUM and agile developmentSCRUM essentialsQuizzes Quiz #6.1.)Both structured processes and dynamic processes are formally defined processes.
2.)A workgroup information system exists to support only one process within the workgroup.
3.)Process efficiency is a measure of the ratio of process outputs to inputs.

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture