An Introduction to Systems Analysis Techniques

An Introduction to Systems Analysis Techniques

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Shelving category: Systems analysis and design An Introduction to Systems Analysis Techniques Second Edition Mark Lejk and David DeeksSuitable for a wide range of undergraduate and postgraduate courses, this book lays a firm foundation in analysis, seeking to equip students for a real working environment. It will also help seasoned professionals refresh their skills. Written by authors with longstanding experience in teaching systems analysis techniques to students and professionals, the material in this book is presented in an easy, friendly and accessible style. Coverage of both structured and object-oriented techniques is included. The structured techniques include spray and tree diagrams, data flow diagrams, entity models, normalisation and entity life histories. The object-oriented techniques include class diagrams and use cases. The approach throughout is to introduce each technique by the use of step-by-step worked examples, followed by exercises related to the readerAs experience. The subject of systems analysis is set in a wider context, emphasising the business-oriented approach. This second edition also includes the first published introduction to the Process Improvement for Strategic Objectives (PISOA) method for business re-engineering A developed at the University of Sunderland and gaining strong support in a wide range of private and public sector organisations. Key features Emphasis on the business context An emphasis on the human aspects of systems analysis Physical and logical views The effect of AtimeA Consideration of both structured and object-oriented techniques Guidance on how to be an effective part of a systems development team Includes the PISO method Mark Lejk is a qualified SSADM practitioner with an industrial background and extensive experience of teaching analysis techniques to students and practitioners.David Deeks has many years of experience in the application and teaching of systems analysis, and continues to offer training and consultancy to large and small organisations, particularly in the PISO method. Both authors are Readers at the University of Sunderland and have worked closely together for almost ten years. They have a particular interest in bringing real-world aspects to their teaching and are noted for their innovative approaches.6.1 Introduction 6.1.1 Reaching the bottom level DFDs are a very powerful way of describing processes. ... 6.1.2 Precise, accurate, unambiguous and complete The sort of language required in systems analysis descriptions is very different to everyday English, in fact different to the ... Often their answers can be interpreted in a number of ways: they are ambiguous. They do this deliberately so they can appeal to a range of voters and adapt their stance to events outside of their control.

Title:An Introduction to Systems Analysis Techniques
Author:Mark Lejk, David Deeks
Publisher:Pearson Education - 2002


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