Parirenyatwa Group Of Hospitals Medical Diagnoses And Prescription System

CONTENTS

Chapter 1: Introduction

1.1 Introduction....................................................................................................1

1.2 Background....................................................................................................1

1.2.1 Background of Organisation...............................................................1

1.2.2 Organisational Structure.....................................................................3

1.2.3 Vision.................................................................................................4

1.2.4 Mission Statement..............................................................................4

1.3 Problem definition.........................................................................................4

1.4 Aim................................................................................................................5

1.5 Objectives......................................................................................................5

1.6 Hypothesis.....................................................................................................5

1.7 Justification...................................................................................................6

1.8 Conclusion.....................................................................................................7

Chapter 2: Planning phase

2.1 Introduction..................................................................................................8

2.2 Why build the system...................................................................................8

2.3 Identify business value.................................................................................9

2.1 Analyze feasibility.......................................................................................10

2.4.1Technical..............................................................................................11

2.4.2 Economic.............................................................................................11

2.4.3 Social...................................................................................................15

2.4.4 Operational Feasibility........................................................................16

2.2 Develop work plan.......................................................................................19

2.6 Conclusion....................................................................................................21

Chapter 3: Analysis phase

3.1 Introduction.................................................................................................22

3.2 Information gathering methodologies.........................................................22

3.3 Analysis of existing system.........................................................................26

- Description of current system...............................................................26

3.4 Process analysis...........................................................................................27

3.4.1Activity Diagram of current system..............................................27

3.5 Data Analysis...............................................................................................30

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3.5.1Context Diagram...........................................................................31

3.5.2Data Flow Diagram.....................................................................32

3.6 Weaknesses of current system...................................................................34

3.7 Evaluate Alternatives.................................................................................35

3.7.1 Outsource..........................................................................................35

3.7.2 Improvement.....................................................................................36

3.7.3 Development.....................................................................................36

3.8 Requirements Analysis...............................................................................37

3.8.1 Functional Requirements (Use Case diagram).................................38

3.8.2 Non-functional requirements (outline constraints)............................40

3.9 Conclusion.................................................................................................43

Chapter 4: Design phase

4.1 Introduction.................................................................................................44

4.2 System Design (How will the system work?).............................................44

4.2.1 Context Diagram of the proposed System...........................................46

4.2.2 Data Flow Diagram of the proposed System........................................47

4.2.3 Architectural design..............................................................................48

4.3 Physical design............................................................................................49

- How software and hardware interact....................................................50

4.4 Database design Entity Relation.................................................................53

- Database Tables .......................................................................................55

4.5 Program design (Package Diagram)...........................................................57

-Class diagram............................................................................................59

4.6 Interface design...........................................................................................61

4.7 Conclusion..................................................................................................66

Chapter 5: Implementation phase

5.1 Introduction...............................................................................................67

5.2 Coding (Pseudo Code)...............................................................................67

5.3 Testing.......................................................................................................70

5.3.8Test Results........................................................................................76

5.4 Installation..................................................................................................81

5.5 Maintenance...............................................................................................83

5.6 Conclusion..................................................................................................85