Systems Analysis -  Lyn Antill,  Trevor Wood-Harper

Systems Analysis (eBook)

Made Simple Computerbooks
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2014 | 1. Auflage
126 Seiten
Elsevier Science (Verlag)
978-1-4831-0608-3 (ISBN)
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Systems Analysis: Made Simple Computerbooks introduces the essential elements of information systems analysis and design and teaches basic technical skills required for the tasks involved.
The book covers the aspects to the design of an information system; information systems and the organization, including the types of information processing activity and computer-based information systems; the role of the systems analyst; and the human activity system. The text also discusses information modeling, socio-technical design, man-machine interface, and the database design. Software specification and selection, opportunities and constraints of a computer, and hardware specification and system implementation are also considered.
The book concludes by giving an overview of systems analysis. The text is useful to systems and information analysts.

Trevor Wood-Harper is Professor of Information Systems and Director of the Information Systems Research institute (ISRI) at the University of Salford, Manchester, U. K. Recently, the institute was awarded a 5* rating, the highest, at the recent Research Assessment Exercise (RAE) in 2001. Also, he is Professor of Management Information Systems at the University of South Australia, Adelaide and held visiting chairs at University of Oslo, Copenhagen Business School and Georgia State University. Wood-Harper has co-authored 11 books and monographs as well as more than 200 research articles in a wide range of topics, including the Multiview methodology.In 1990 he set up one of the first Information Systems doctoral schools (a combination of the European and American styles) in the U.K, which is attracting an increasing number of international as well as British students. Currently the school has more than 80 Ph.D. Students. Also, at the University of South Australia, he has started a new doctoral programme in Information Systems with 2 Associate Professors and 32 PhD students. Trevor Wood-Harper has successfully supervised 16 doctoral theses since 1996. Recently, he was a member of the Library and Information Management panel for the Research Assessment Exercise (RAE) in 2001, and currently on the British Computer Society accreditation panel and the UKAIS board.
Systems Analysis: Made Simple Computerbooks introduces the essential elements of information systems analysis and design and teaches basic technical skills required for the tasks involved. The book covers the aspects to the design of an information system; information systems and the organization, including the types of information processing activity and computer-based information systems; the role of the systems analyst; and the human activity system. The text also discusses information modeling, socio-technical design, man-machine interface, and the database design. Software specification and selection, opportunities and constraints of a computer, and hardware specification and system implementation are also considered. The book concludes by giving an overview of systems analysis. The text is useful to systems and information analysts.

Front Cover 1
Systems Analysis: Made Simple Computerbooks 4
Copyright Page 5
Table of Contents 6
Preface 10
Introduction 12
Chapter 1. Information Systems and the Organization 14
1.1 Types of Information Processing Activity 14
1.2 Computer Based Information Systems 20
1.3 Summary 22
Chapter 2. The Role of the Systems Analyst 24
2.1 The Traditional' Data Processing Department 24
2.2 User Computing 26
2.3 The Consultant Analyst 27
2.4 The Software House 28
2.5 The Expert Witness 28
2.6 Summary 29
Chapter 3. The Human Activity System 30
3.1 The Rich Picture 30
3.2 The Root Definition 31
3.3 The Conceptual Model 35
3.4 Selecting Priorities for Analysis 37
3.5 Summary 39
Chapter 4. Information Modelling 40
4.1 Entities, Functions, and Events 40
4.2 Functional Decomposition 41
4.3 Entity Models 42
4.4 Entity Life Cycles 46
4.5 Archiving of Information 48
4.6 Data Flow Diagrams 48
4.7 The Boundaries of the System 50
4.8 Summary 51
Chapter 5. Socio-Technical Design 52
5.1 Social Objectives 53
5.2 Technical Objectives 55
5.3 Social Alternatives 56
5.4 Technical Alternatives 56
5.5 Socio-Technical Alternatives 57
5.6 Summary 58
Chapter 6. Man-Machine Interface 60
6.1 Which Staff Will Use Which Program Interfaces? 61
6.2 Dialogue Design 62
6.3 Matching the Dialogue to the User 63
6.4 Methods of Implementing a Dialogue 64
6.5 Communicating Devices 67
6.6 Summary 68
Chapter 7. Database Design 70
7.1 Indexed Files 72
7.2 Hierarchical Data Structures and Networks 72
7.3 Relational DBMS 74
7.4 Distributed Databases 75
7.5 Choosing a DBMS 77
7.6 Query Languages and Report Writers 78
7.7 The Database Administrator 79
7.8 Summary 79
Chapter 8. Software Specification and Selection 80
8.1 Drawing the System Boundary 80
8.2 Statement of Logical Requirements 81
8.3 Turning Requirements into Program Specifications 81
8.4 Relationships between Programs and Data Items 83
8.5 Constraints on the Software 85
8.6 Software Selection Issues 86
8.7 Software Vendors 88
8.8 Evaluating Software 89
8.9 Summary 91
Chapter 9. Opportunities and Constraints of the Computer 93
9.1 Additional Information Retrieval 93
9.2 What Information is to be Retrieved? 94
9.3 Supporting Decision Making 95
9.4 A Word About Statistics 96
9.5 Computer Security 97
9.6 Security in Office-based Systems 98
9.7 Changing the Style of Work 99
9.8 User Training 100
Chapter 10. Hardware Selection and System Implementation 103
10.1 The Required Processing Power 103
10.2 Peripheral Devices 105
10.3 Operating System and Networking 107
10.4 Manufacturer/Supplier Support 107
10.5 Systems Implementation 108
10.6 Installation Life cycle 109
10.7 Summary 110
Chapter 11. Overview of Systems Analysis 112
11.1 Systems Analysis Theory 112
11.2 The Multiview Methodology 114
11.3 Problems and Problem Solvers 115
11.4 The Systems Life Cycle 116
11.5 The Multiview Framework 119
11.6 Summary 120
Index 122

Erscheint lt. Verlag 21.5.2014
Sprache englisch
Themenwelt Informatik Office Programme Outlook
Mathematik / Informatik Mathematik
Technik
ISBN-10 1-4831-0608-X / 148310608X
ISBN-13 978-1-4831-0608-3 / 9781483106083
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