Systems Development
By: Artur • Research Paper • 10,148 Words • April 28, 2010 • 970 Views
Systems Development
Name:
Module:
Systems Development
Course:
FdSc Internet Technology in Business
Year 1: 2004/2005
Hand In:
22nd April 2005
Module Leader:
Assignment Reference:
System Development Life Cycle (SD2)
Content Page
INTRODUCTION 4
WHAT IS THE SYSTEMS DEVELOPMENT LIFE CYCLE? 5
ADVANTAGES: SYSTEMS DEVELOPMENT LIFE CYCLE 5
POTENTIAL DIS-ADVANTAGES: SYSTEMS DEVELOPMENT LIFE CYCLE 6
THE SEVEN STAGES OF THE SYSTEMS DEVELOPMENT LIFE CYCLE 7
STAGE 1: PROBLEM IDENTIFICATION 8
PROBLEM 1: 8
PROBLEM 2: 8
PROBLEM 3: 8
STAGE 2: INITIAL FEASIBILITY 10
WHAT IS A FEASIBILITY STUDY? 10
WHY CONDUCT A FEASIBILITY STUDY? 11
IMPORTANT FEATURES OF A FEASIBILITY STUDY? 12
STAGE 3: SYSTEMS INVESTIGATION 14
INTERVIEWS 15
UNSTRUCTURED INTERVIEWS: 17
STRUCTURED INTERVIEWS: 18
INTERVIEW PLANNING: 19
THE INTERVIEW ITSELF: 19
QUESTIONNAIRES 20
HAND OUT: 21
SIT & COMPLETE: 21
DOCUMENTATION INSPECTION 25
OBSERVATION 27
SSADM CATALOGUES 29
USER CATALOGUE 29
INFORMATION CATALOGUE 30
FUNCTIONAL & NON-FUNCTIONAL REQUIREMENTS 30
FUNCTIONAL REQUIREMENTS 30
NON-FUNCTIONAL REQUIREMENTS 30
QUANTIFYING REQUIREMENTS 31
STAGE 4: SYSTEMS ANALYSIS 32
STAGE 5: SYSTEMS DESIGN 33
JACKSON STRUCTURED DIAGRAMS 33
MODELING STAGE 34
NETWORK STAGE 35
IMPLEMENTATION STAGE 35
UML (UNIFIED MODELING LANGUAGE) 36
WHAT IS THE UNIFIED MODELING LANGUAGE? 36
WHY WAS THE UML LANGUAGE CREATED? 36
WHAT IS OBJECT-ORIENTED PROGRAMMING? 37
UML DIAGRAMS 39
STAGE 6: SYSTEM IMPLEMENTATION 42
NOTIFYING USERS OF NEW IMPLEMENTATION 43
EXECUTE TRAINING PLAN 43
SYSTEM REPLACEMENT OR UPDATE 43
POST-IMPLEMENTATION REVIEW 44
SUPPORTING DOCUMENTATION & FACTS (DELIVERABLES) 44
DELIVERED SYSTEM 44
CHANGE IMPLEMENTATION NOTICE 44
VERSION DESCRIPTION DOCUMENT 45
ISSUES AND PROBLEMS FOR FUTURE CONSIDERATION 45
STAGE 7: SYSTEMS MAINTENANCE 46
CORRECTIVE MAINTENANCE 46
PERFECTIVE MAINTENANCE 46
ADAPTIVE MAINTENANCE 46
MAINTENANCE CAUSES 47
Introduction
The assignment has instructed me that I must complete a full explanation of the systems development life cycle. I must do this assignment with the view that the life cycle is for the development of a ecommerce website.
I have to clearly describe and