Experiencing mis 6th by kronenke ch10

Chapter 10 Development Processes “We Need to Support Other Watches and Mobile Devices, and at Least Android Phones.” • Need to define and document business procedures, train staff, involve other partners • Make system more generally available • Strategic implication: Spin off PRIDE as separate business? Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-2 Study Questions Q1: How are business processes, IS, and applications developed? Q2: How organizations use business process management (BPM)? Q3: How is Business Process Modeling Notation 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: 2023? Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-3 Q1: How Are Business Processes, IS, and Applications Developed? • Process of creating and maintaining information systems • Requires: – Establishing system goals – Setting up the project – Determining requirements – Business knowledge and management skill Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-4 Activities in a Business Process and the Correlating Information Systems Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-5 Relationship of Business Processes and Information Systems Business processes, information systems, and applications have different characteristics and components Relationship of business processes to information systems is many-to-many, or N:M – A business process need not relate to any IS, but IS relates to at least one business process Every IS has at least one application because every IS has a software component Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-6 Scope of Development Process Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-7 Role of Development Personnel Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-8 Q2: How Do Organizations Use Business Process Management (BPM)? • Business process – Network of activities, repositories, roles, resources, and data flows that interact to accomplish a business function Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-9 Why Do Processes Need Management? • Improve Process Quality • Change in Technology • 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 Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-10 Experiencing MIS InClass Exercise 10: GardenTracker • Suppose you and two or three other students decide to open a business that offers landscaping services Your goal is to develop a list of clients for whom you provide regular and recurring services • Need information system for tracking customers, services you have provided, and services you are scheduled to provide in the future • As a new small business, you want a simple and affordable system based on Excel or Access The name of the system is GardenTracker Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-36 Experiencing MIS InClass Exercise 10: GardenTracker (cont’d) Explain how you would use SDLC to develop GardenTracker Define the scope of your system Explain process you would use to determine feasibility of GardenTracker List data you need for such an assessment, and explain how you might obtain or estimate that data Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-37 Q6: How Can Scrum Overcome the Problems of the SDLC? Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-38 Scrum Essentials Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-39 Scrum Process Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-40 When Does Scrum End? • Customer is satisfied with product created and accepts it • Project runs out of time • Project runs out of money Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-41 How Do Requirements Drive the Scrum Process? Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-42 Summary of Scrum Estimation Techniques Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-43 Q7: 2023 Continuing focus on aligning business processes and information systems with business strategy, goals, and objectives Computer systems will be more easily changed and adapted The cloud will lead to substantially more innovation Emergence of new software vendor business models Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-44 Security Guide: Psst There’s Another Way, You Know • Do you think servers in China were actually shut down? • Large organizations with good IS departments that had a firewall set up on port 24 to only allow traffic to go to IP address of ISP did not lose any designs • What about smaller organizations with minimal IS Department, or supported by small, unsophisticated VAR? Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-45 Guide: The Real Estimation Process • Software developers are optimists • People can’t work all the time • Apply a factor like 0.6 to compute number of effective labor hours for each employee • Be aware of consequences of negotiating a schedule Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-46 Active Review Q1: How are business processes, IS, and applications developed? Q2: How organizations use business process management (BPM)? Q3: How is Business Process Modeling Notation 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: 2023? Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-47 Case Study 10: Cost of PRIDE • Typical example of a new software venture • So focused on technology and making it work, they neglect to consider what will happen, longer term, if it is a success • Some problem solutions involve staff training and procedures • Longer term, Flores and his partners need a direction Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-48 Sources of PRIDE Costs Copyright © 2014 Pearson Education, Inc Publishing as Prentice Hal 10-49 10-50 ... Ethics • Estimating is just “theory”—average of many people’s guesses • Buy-in game • Overly optimistic schedules and cost estimates • At what point is buy-in within accepted boundaries of conduct?