Experiencing MIS 8th by m kronenke chapter 12
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Chapter 12
Development Processes
"We Think We Can Open the Doors to an Entirely New Market"
• Example of decision making in small company
– Zev owner and source of investment funds
– Team presents idea, he listens and makes a decision
• Team doesn’t really know what’s involved
• Building a prototype a good, low cost way to learn
• Situation similar with a professional IS department
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Bottom Line
• Startups can be fun and interesting places to work
• Time and budgets limited
• Decisions usually made more quickly, but risky if not well managed
• Prototypes used to reduce front-end risk
• Scrum ideal development process for creating prototypes
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Study Questions
Q1: How are business processes, IS, and applications developed?
Q2: How do organizations use business process management (BPM)?
Q3: How is business process modeling notation (BPMN) used to model processes?
Q4: What are the phases in the systems development life cycle (SDLC)?
Q5: What are the keys for successful SDLC projects?
Q6: How can scrum overcome the problems of the SDLC?
Q7: 2025
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Q1: How Are Business Processes, IS, and Applications Developed?
Application: combination of hardware, software, data
components that accomplish a set of requirements
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Relationship of Business Processes and Information Systems
Every information system has at least one application
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How Do Business Processes, Information Systems, and Applications Differ and Relate?
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 component .
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Which Development Processes Are Used for Which?
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Role of Development Personnel
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Q2: How Do Organizations Use Business Process Management (BPM)?
• Business process
• Activities
• Repository
• Inventory
• Database
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New Terms
• Roles – Collections of activities
• Resources – People or computer applications assigned to roles
• Flow
– Control flow - directs order of activities
– Data flow - movement of data among activities & repositories
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Why Do Processes Need Management?
Processes are dynamic and often need to be changed
Three fundamental reasons:
1.
2.
3.
Improve process quality
Change in technology
Change in business fundamentals
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Examples of Change in Business Fundamentals
• Market (new customer category, change in customer characteristics)
• Product lines
• Supply chain
• Company policy
• Company organization (merger, acquisition)
• Internationalization
• Business environment (new priority on credit checking)
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Four Stages of BPM
Stages in BPM Cycle
COBIT (Control Objectives for Information and related Technology)
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Q3: How Is Business Process Modeling Notation (BPMN) Used to Model Processes?
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Existing Order Process
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Check Customer
Credit Process
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Q4: What Are the Phases in the Systems Development Life Cycle (SDLC)?
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SDLC Definition Phase
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Role of a Prototype
• Provides direct experience for user
• Can be expensive to create
• Parts often reused
– PRIDE code generates Xbox may be reused in operational system
• Cost occurs early, sometimes before full project funding available
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SDLC Requirements Analysis Phase
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SDLC Component Design Phase
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SDLC System Maintenance Phase
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Design and Implementation for the Five Components
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SDLC System Maintenance Phase
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