This book is an introduction to the essential features of the analysis and design of information systems, and is aimed at students embarking on the study of information systems development. It is suitable for first and second year under-graduates and those on further education diploma courses, together with students converting from non-computing or IS degrees to a master’s degree in these subjects. SSADM version 4+ is used as the medium for discussing the modelling of information systems, present and proposed, and for relational data analysis. It includes an introduction to the analysis of requirements for information systems and a brief exposition of soft systems methodology. Decision tables, decision trees and structured English are also presented in order to describe the processes carries out in information systems. Bridging the analysis of the current information system and the design of a new one, the book presents the various procedures of logicalisation and RDA. The design of screens and reports is covered, as well as some of the ethical and social implications of new computer systems on end-users.
Table of contents:
Reader's Guide Chapter 1 Introduction Chapter 2 The systems development life cycle and the systems analyst Chapter 3 Requirements analysis: the discovery of what is needed Chapter 4 Report writing and presentations for the systems analyst Chapter 5 Soft systems techniques Chapter 6 Entity relationship diagrams I: logical data structures Chapter 7 Entity relationship diagrams II: more complex relationships Chapter 8 Data flow diagrams I: basic ideas Chapter 9 Data flow diagrams II: levels of data flow Chapter 10 Entity life histories and object oriented techniques Chapter 11 Process descriptions Chapter 12 Logicalization Chapter 13 Design of information systems Chapter 14 Relational data analysis (mornalization Chapter 15 Proposed data requirements Chapter 16 Processing requirements Chapter 17 Storage of data Chapter 18 User interfaces Chapter 19 System installation Chapter 20 Documentation References Index
Table of contents:
Reader's Guide Chapter 1 Introduction Chapter 2 The systems development life cycle and the systems analyst Chapter 3 Requirements analysis: the discovery of what is needed Chapter 4 Report writing and presentations for the systems analyst Chapter 5 Soft systems techniques Chapter 6 Entity relationship diagrams I: logical data structures Chapter 7 Entity relationship diagrams II: more complex relationships Chapter 8 Data flow diagrams I: basic ideas Chapter 9 Data flow diagrams II: levels of data flow Chapter 10 Entity life histories and object oriented techniques Chapter 11 Process descriptions Chapter 12 Logicalization Chapter 13 Design of information systems Chapter 14 Relational data analysis (mornalization Chapter 15 Proposed data requirements Chapter 16 Processing requirements Chapter 17 Storage of data Chapter 18 User interfaces Chapter 19 System installation Chapter 20 Documentation References Index