Introduction to Information Systems Third Edition Chapter 11

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Introduction to Information Systems Third Edition Chapter 11 Systems Development and Procurement Copyright ©

Introduction to Information Systems Third Edition Chapter 11 Systems Development and Procurement Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 2 Learning Objectives 1. 2. 3. 4. 5. Systems development life

Chapt er 11 2 Learning Objectives 1. 2. 3. 4. 5. Systems development life cycle Software development strategies Strategy selection Build vs. buy Human element Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Facebook and FBI Facebook • 1, 000 users within 24 hours FBI • $170

Facebook and FBI Facebook • 1, 000 users within 24 hours FBI • $170 million project scrapped Copyright ©Copyright 2018, 2015, © 2012 Pearson Education, Inc. All Rights 2015 Pearson Education, Inc. Reserved Chapter 11 - 3

Chapt er 11 4 Systems Development Life Cycle Copyright © 2015 Pearson Education, Inc.

Chapt er 11 4 Systems Development Life Cycle Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 5 1. Planning • Assessing business need – Return on investment

Chapt er 11 5 1. Planning • Assessing business need – Return on investment – Competitive advantage – Risk management • Feasibility study Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

2. Analysis • Process diagrams • Requirements definition • Build or buy? Copyright ©Copyright

2. Analysis • Process diagrams • Requirements definition • Build or buy? Copyright ©Copyright 2018, 2015, © 2012 Pearson Education, Inc. All Rights 2015 Pearson Education, Inc. Reserved Chapter 11 - 6

Chapt er 11 7 3. Design • Architectural design • Data models Copyright ©

Chapt er 11 7 3. Design • Architectural design • Data models Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

4. Development • Version control • Project and issue tracking • Code review Copyright

4. Development • Version control • Project and issue tracking • Code review Copyright ©Copyright 2018, 2015, © 2012 Pearson Education, Inc. All Rights 2015 Pearson Education, Inc. Reserved Chapter 11 - 8

Chapt er 11 9 5. Testing Copyright © 2015 Pearson Education, Inc. Copyright ©

Chapt er 11 9 5. Testing Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 10 6. Implementation • Parallel • Phased • Direct Copyright ©

Chapt er 11 10 6. Implementation • Parallel • Phased • Direct Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 11 7. Maintenance • Bug fixes and change requests • Aging

Chapt er 11 11 7. Maintenance • Bug fixes and change requests • Aging of IS Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 12 Software Development Strategies • Waterfall • Iterative • Agile Copyright

Chapt er 11 12 Software Development Strategies • Waterfall • Iterative • Agile Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 13 Agile • Scrum • e. Xtreme programming Copyright © 2015

Chapt er 11 13 Agile • Scrum • e. Xtreme programming Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 14 Comparing Approaches • Type of project • Organizational culture Copyright

Chapt er 11 14 Comparing Approaches • Type of project • Organizational culture Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 15 Waterfall • Still widely used for many reasons: – –

Chapt er 11 15 Waterfall • Still widely used for many reasons: – – Managers are familiar Developers are adapting Cultural challenges for agile Outsourcing fixed-bid contracts Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 16 Buy Strategy • Advantages and disadvantages • RFI and RFP

Chapt er 11 16 Buy Strategy • Advantages and disadvantages • RFI and RFP Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Evaluating the Options • Best of breed • Unified procurement Copyright ©Copyright 2018, 2015,

Evaluating the Options • Best of breed • Unified procurement Copyright ©Copyright 2018, 2015, © 2012 Pearson Education, Inc. All Rights Reserved 2015 Pearson Education, Inc. Chapter 11 - 17

Chapt er 11 18 Adaptation and Customization • Adaptation • Customization Copyright © 2015

Chapt er 11 18 Adaptation and Customization • Adaptation • Customization Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 19 Human Element • Cross-functional teams • Senior management • Consultants

Chapt er 11 19 Human Element • Cross-functional teams • Senior management • Consultants Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 20 Summary 1. 2. 3. 4. 5. Systems development life cycle

Chapt er 11 20 Summary 1. 2. 3. 4. 5. Systems development life cycle Software development strategies Strategy selection Build vs. buy Human element Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 21 Babycenter. com Case • Before, 85% of time fixing bugs

Chapt er 11 21 Babycenter. com Case • Before, 85% of time fixing bugs • Scrum discipline • Business results Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

Chapt er 11 22 U. S. Strategic Command Case • e. Xtreme programming •

Chapt er 11 22 U. S. Strategic Command Case • e. Xtreme programming • Pilot project • Problems and potential Copyright © 2015 Pearson Education, Inc. Copyright © 2018, 2015, 2012 Pearson Education, Inc. All Rights Reserved

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