Designing Information Systems - 1st Edition - ISBN: 9780750610384, 9781483183855

Designing Information Systems

1st Edition

Authors: Stanley G. Blethyn Carys Y. Parker
eBook ISBN: 9781483183855
Imprint: Butterworth-Heinemann
Published Date: 26th October 1990
Page Count: 380
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Description

Designing Information Systems focuses on the processes, methodologies, and approaches involved in designing information systems.

The book first describes systems, management and control, and how to design information systems. Discussions focus on documents produced from the functional construction function, users, operators, analysts, programmers and others, process management and control, levels of management, open systems, design of management information systems, and business system description, partitioning, and leveling. The text then takes a look at functional specification and functional analysis, procedures and rules, and data modeling and data analysis. Concerns cover charting conventions and data modeling concepts, domains and domain integrity, deciding the most appropriate design solutions, and presentation of solutions to the user community.

The manuscript examines implementation, user participation, aspects of human-computer interaction, project management, and system evaluation. Topics include appraisal of the simple approach, system evaluation with multiple purposes, data flows, data analysis and the data model, approaches to user involvement, and post-implementation evaluation and audit.

The text is a valuable source of data for computer programmers and researchers wanting to explore how information systems are designed.

Table of Contents


Preface

Part 1 Human Organization

1 System Basics

1.1 What is a System?

1.2 Information

1.3 What we Mean by Systems Analysis

1.4 Summary

Discussion Points

2 Describing Systems

2.1 Data Flow Diagrams and Data Dictionaries

2.2 Data Models

2.3 Function Mini-Specs or Structure Rules

2.4 A Business System Description, Partitioning and Levelling

2.5 A Knowledge-Based System

2.6 Summary of the Descriptive Models

Discussion Points

Exercises

3 Management and Control

3.1 Realms of Control

3.2 Process Management and Control

3.3 Levels of Management

3.4 Open Systems

3.5 The Design of Management Information Systems

3.6 Summary

Discussion Points

Part 2 System Design

4 How to Design Information Systems

4.1 Users, Operators, Analysts, Programmers and Others

4.2 An Overall View of Design

4.3 Feasibility Document

4.4 Documents Produced from Analysis and Specification

4.5 Documents Produced from the Functional Construction Function

4.6 Documents Produced from the Audit Function

4.7 Summary

Discussion Points

5 Functional Specification and Functional Analysis

5.1 The Context of Functional Analysis

5.2 An Overview of Analysis and Specification

5.3 Obtaining the Facts

5.4 Analysing the Facts: Physical and Logical Data Flow Diagrams

5.5 Analysing the Facts: Boundary Considerations

5.6 Analysing the Facts: The Local Data Model and Users' Access Requirements

5.7 Analysing the Facts: Control Considerations

5.8 Analysing the Facts: Data Volumes, Timeliness and Response Time

5.9 Deciding the Most Appropriate Design Solutions

5.10 Presentation of Solutions to the User Community

5.11 The Sellemkwik Case Study: A Medium-Sized Garage

5.12 Summary

Discussion Points

6 Procedures and Rules

6.1 The Careful Manufacturing Company

6.2 Transition Processing

6.3 Rule Specification Using Relationships in the Data Model

6.4 Rules About Processing

6.5 Summary

Discussion Points

Exercises

7 Data modeling and Data Analysis

7.1 Introduction

7.2 The Context of Data modeling

7.3 Charting Conventions and Data modeling Concepts

7.4 Data Structures

7.5 Normalization

7.6 Domains and Domain Integrity

7.7 Table Integrity Rules

7.8 'Views'and Local Data Models

7.9 Data Analysis

7.10 Summary

Discussion Points

Exercises

8 How The System Behaves

8.1 An Overview

8.2 Data Collection

8.3 Updating Serial Tables by Batch Processing

8.4 Organization of Data for Batch Processing

8.5 Dialogue Design

8.6 Organization of Data for Demand Processing

8.7 Summary

Discussion Points

9 System Evaluation

9.1 The Problem

9.2 Simplification

9.3 Coping with Uncertainty

9.4 Sensitivity Analysis

9.5 Cash Flow Analysis

9.6 Appraisal of the Simple Approach

9.7 Non-Monetary Pay-Off

9.8 Utility

9.9 Estimating the Reliability of our Suppliers by Using an Expression

9.10 Binary Utility Measurement

9.11 System Evaluation with Multiple Purposes

9.12 Review of Methods of Evaluation

9.13 The Relationship with Subsequent Design Stages

9.14 Summary

Discussion Points

Part 3 Management and Control

10 The Data Dictionary

10.1 What is a Data Dictionary?

10.2 What Do Words Mean?

10.3 What We Want to Know About Tables

10.4 What We Want to Know About Columns

10.5 What We Want to Know About Domains

10.6 What We Want to Know About Relationships

10.7 The Data Dictionary Data Model

10.8 The Relationship Between an Application and the Database

10.9 Global Data Dictionary Data Model

10.10 Naming Conventions and Synonyms

10.11 The Last Word

10.12 Summary

Discussion Points

Exercises

11 Project Management

11.1 Background

11.2 Partitioning

11.3 Naming Work Packages

11.4 Reporting Plans and Results

11.5 Data Flows, Data Analysis and the Data Model

11.6 Data Collection for Project Management

11.7 Work Measurement and Estimating

11.8 Clients and Managers

11.9 Composition of the Project Design Team

11.10 Computer Aided Software Engineering (CASE)

11.11 Team Leadership

11.12 Summary

Discussion Points

Part 4 Human Factors

12 Aspects of Human-Computer Interaction (HCI)

12.1 Introduction

12.2 The Nature of HCI

12.3 Relationship of HCI to System Design

12.4 Summary

13 User Participation

13.1 What is a User?

13.2 The Traditional Participants of Systems Development

13.3 Who Should be the Participants?

13.4 Problems of Communication

13.5 Approaches to User Involvement

Part 5 Implementation

14 Implementation

14.1 Planning

14.2 User Involvement and Training

14.3 Documentation - User and Operator Manuals

14.4 Testing The System

14.5 Changeover Procedures

14.6 Post-Implementation Evaluation and Audit

14.7 Maintenance

Answer Pointers

Index

Details

No. of pages:
380
Language:
English
Copyright:
© Butterworth-Heinemann 1990
Published:
Imprint:
Butterworth-Heinemann
eBook ISBN:
9781483183855

About the Author

Stanley G. Blethyn

Carys Y. Parker