Essentials of Systems Analysis and Design PDF
Preview Essentials of Systems Analysis and Design
Global Global edition edition eG dl ito ioba nl essentials of Systems e For these Global Editions, the editorial team at Pearson has s s e collaborated with educators across the world to address a wide range n t i analysis and design a of subjects and requirements, equipping students with the best possible l s learning tools. This Global Edition preserves the cutting-edge approach o f and pedagogy of the original, but also features alterations, customization, S y s and adaptation from the North American version. t e Sixth edition m s a Joseph S. Valacich • Joey F. George • Jeffrey A. Hoffer n a l y s i s a n d d e s i g n e dS itix it oh n V a la c ic h • G e o r g e • H o ffe r this is a special edition of an established title widely used by colleges and universities throughout the world. Pearson published this exclusive edition for the benefit of students outside the United States and Canada. if you purchased this book within the United States or Canada you should be aware that it has been imported without the approval of the Publisher or Author. Pearson Global Edition CVR_VALA6614_06_SE_CVR.indd 1 25/11/14 8:57 am Essentials of Systems Analysis and Design # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 1 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_06_GE_TFitMle.in: dEds s 1entials of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 2 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_0T6i_tlGeE: _EFsMse.inndtdi a l2s of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM Essentials of Systems Analysis and Design Sixth EDition GlobAl EDition Joseph S. Valacich University of Arizona Joey F. George Iowa State University Jeffrey A. hoffer University of Dayton Boston Columbus Indianapolis New York San Francisco Hoboken Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto Delhi Mexico City São Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 3 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_06_GE_TFitMle.in: dEds s 3entials of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM Editor in Chief: Stephanie Wall Executive Marketing Manager: Anne K. 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Microsoft and/or its respective suppliers make no representations about the suitability of the information contained in the documents and related graphics published as part of the services for any purpose. All such documents and related graphics are provided “as is” without warranty of any kind. Microsoft and/or its respective suppliers hereby disclaim all warranties and conditions with regard to this information, includ- ing all warranties and conditions of merchantability, whether express, implied or statutory, fitness for a particular purpose, title and non-infringement. In no event shall Microsoft and/or its respective suppliers be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of information available from the services. The documents and related graphics contained herein could include technical inaccuracies or typo- graphical errors. Changes are periodically added to the information herein. Microsoft and/or its respective suppliers may make improvements and/or changes in the product(s) and/or the program(s) described herein at any time. Partial screen shots may be viewed in full within the software version specified. Microsoft® Windows®, and Microsoft Office® are registered trademarks of the Microsoft Corporation in the U.S.A. and other countries. This book is not sponsored or endorsed by or affiliated with the Microsoft Corporation. Pearson Education Limited Edinburgh Gate Harlow Essex CM20 2JE England and Associated Companies throughout the world Visit us on the World Wide Web at: www.pearsonglobaleditions.com © Pearson Education Limited 2015 The rights of Joseph S. Valacich, Joey F. George, and Jeffrey A. Hoffer to be identified as the authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988. Authorized adaptation from the United States edition, entitled Essentials of Systems Analysis and Design, 6th edition, ISBN 978-0-13-354623-1, by Joseph S. Valacich, Joey F. George, and Jeffrey A. Hoffer, published by Pearson Education © 2015. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmit- ted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without either the prior written permission of the publisher or a license permitting restricted copying in the United Kingdom issued by the Copyright Licensing Agency Ltd, Saffron House, 6–10 Kirby Street, London EC1N 8TS. All trademarks used herein are the property of their respective owners. The use of any trademark in this text does not vest in the author or publisher any trademark ownership rights in such trademarks, nor does the use of such trademarks imply any affiliation with or endorsement of this book by such owners. ISBN 10: 1-292-07661-5 ISBN 13: 978-1-292-07661-4 British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Typeset in ITC Century Book by S4Carlisle Publishing Services. Printed and bound by Courier Kendallville in The United States of America. # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 4 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_0T6i_tlGeE: _EFsMse.inndtdi a l4s of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM To my mother, Mary Valacich. —Joe To Karen, Evan, and Caitlin. —Joey To Patty, for her sacrifices, encouragement, and support. To my students, for being receptive and critical, and for challenging me to be a better teacher. —Jeff # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 5 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_06_GE_TFitMle.in: dEds s 5entials of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 6 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_0T6i_tlGeE: _EFsMse.inndtdi a l6s of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM brief Contents PART I FoundATIons FoR sysTems develoPmenT 28 1 The systems development environment 28 2 The sources of software 54 3 managing the Information systems Project 72 PART II sysTems PlAnnIng And selecTIon 112 4 systems Planning and selection 112 PART III sysTems AnAlysIs 150 5 determining system Requirements 150 6 structuring system Requirements: Process modeling 180 7 structuring system Requirements: conceptual data modeling 220 PART Iv sysTems desIgn 264 8 designing the Human Interface 264 9 designing databases 306 PART v sysTems ImPlemenTATIon And oPeRATIon 352 10 systems Implementation and operation 352 Appendix A object-oriented Analysis and design 395 Appendix B Agile methodologies 415 glossary of Acronyms 429 glossary of Terms 431 Index 437 7 # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 7 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_06_GE_TFitMle.in: dEds s 7entials of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 8 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_0T6i_tlGeE: _EFsMse.inndtdi a l8s of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM Contents Preface 17 PART I FoundATIons FoR sysTems develoPmenT 28 chapter 1 The systems development environment 28 What Is Information Systems Analysis and Design? 30 Systems Analysis and Design: Core Concepts 30 Systems 32 Definition of a System and Its Parts 32 Important System Concepts 33 A Modern Approach to Systems Analysis and Design 36 Your Role in Systems Development 37 Developing Information Systems and the Systems Development Life Cycle 38 Phase 1: Systems Planning and Selection 40 Phase 2: Systems Analysis 40 Phase 3: Systems Design 41 Phase 4: Systems Implementation and Operation 41 Alternative Approaches to Development 44 Prototyping 44 Computer-Aided Software Engineering (CASE) Tools 45 Joint Application Design 45 Rapid Application Development 45 Participatory Design 47 Agile Methodologies 47 Key Points Review 48 Key Terms Checkpoint 48 Review Questions 49 Problems and Exercises 50 Discussion Questions 50 Case Problems 50 References 52 chapter 2 The sources of software 54 Introduction 55 Systems Acquisition 55 Outsourcing 56 Sources of Software 57 Choosing Off-the-Shelf Software 61 Reuse 64 Key Points Review 67 Key Terms Checkpoint 67 9 # 153198 Cust: Pearson Education / OH / CHET Au: Valacich Pg. No. 9 C/M/Y/K S4DcESIGaN SrERVlICiESS OlF e A01_VALA6614_06_GE_TFitMle.in: dEds s 9entials of Systems Analysis and Design, 6/e Short / Normal Publishing Services 02/12/14 8:58 PM
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