System Analysis
Modern Systems Analysis and Design
Third Edition
Jeffrey A. Hoffer Joey F. George Joseph S. Valacich
Chapter 1 The Systems Development Environment
1.1
Copyright 2002 Prentice-Hall, Inc.
Learning Objectives üDefine information systems analysis and design üDiscuss the modern approach to systems analysis and design üDescribe the organizational roles involved in information systems development
1.2
Learning Objectives üDescribe four types of information systems: üTransaction Processing Systems (TPS) üManagement Information Systems (MIS) üDecision Support Systems (DSS) üExpert Systems (ES)
üDescribe the information systems development life cycle (SDLC)
1.3
Learning Objectives üDiscuss alternatives to the systems development life cycle üDiscuss the role of computer-aided software engineering (CASE) tools in systems development
1.4
Introduction
Information Systems Analysis and Design n Complex process whereby computerbased information systems are developed and maintained Result of systems analysis and design Designed to support specific organizational functions or processes
Application Software n n
1.5
Introduction
Software engineering processes have been developed to assist in analysis and design n Methodologies w Comprehensive, multi-step approaches to systems
development n Techniques w Processes that are followed to ensure that work is well
thought-out, complete and comprehensible to others on the project team n Tools w Computer programs to assist in application of techniques
to the analysis and design process
1.6
Introduction
Information Systems Analysis and Design n n
n
A method used by companies to create and maintain systems that perform basic business functions Main goal is to improve employee efficiency by applying software solutions to key business tasks A structured approach must be used in order to ensure success
1.7
Introduction
Systems Analyst performs
Third Edition
Jeffrey A. Hoffer Joey F. George Joseph S. Valacich
Chapter 1 The Systems Development Environment
1.1
Copyright 2002 Prentice-Hall, Inc.
Learning Objectives üDefine information systems analysis and design üDiscuss the modern approach to systems analysis and design üDescribe the organizational roles involved in information systems development
1.2
Learning Objectives üDescribe four types of information systems: üTransaction Processing Systems (TPS) üManagement Information Systems (MIS) üDecision Support Systems (DSS) üExpert Systems (ES)
üDescribe the information systems development life cycle (SDLC)
1.3
Learning Objectives üDiscuss alternatives to the systems development life cycle üDiscuss the role of computer-aided software engineering (CASE) tools in systems development
1.4
Introduction
Information Systems Analysis and Design n Complex process whereby computerbased information systems are developed and maintained Result of systems analysis and design Designed to support specific organizational functions or processes
Application Software n n
1.5
Introduction
Software engineering processes have been developed to assist in analysis and design n Methodologies w Comprehensive, multi-step approaches to systems
development n Techniques w Processes that are followed to ensure that work is well
thought-out, complete and comprehensible to others on the project team n Tools w Computer programs to assist in application of techniques
to the analysis and design process
1.6
Introduction
Information Systems Analysis and Design n n
n
A method used by companies to create and maintain systems that perform basic business functions Main goal is to improve employee efficiency by applying software solutions to key business tasks A structured approach must be used in order to ensure success
1.7
Introduction
Systems Analyst performs