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Chapter 1 The Systems Development Environment Modern Systems Analysis and Design Fourth Edition Jeffrey A. Hoffer Joey F. George Joseph S. Valacich

Learning Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Start Up ,[object Object],[object Object],[object Object],[object Object]

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Modern Approach to Systems Analysis and Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Information Systems and Systems Development

Types of Information Systems and Systems Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Information Systems and Systems Development (cont.)

Developing Information Systems and the SDLC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Systems Development Life Cycle (SDLC) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Standard and Evolutionary Views of SDLC

SDLC Planning Phase Identify, analyze, prioritize, and arrange IS needs

SDLC Analysis Phase Study and structure system requirements

SDLC Design Phase Convert recommended solution to system specifications Logical design: functional features described independently of computer platform Physical design: logical specifications transformed to technology-specific details

SDLC Implementation Phase Code, test, install, and support the information system

SDLC Maintenance Phase Systematically repair and improve the information system

The Heart of the Systems Development Process Current practice combines analysis, design, and implementation into a single iterative and parallel process of activities

Traditional Waterfall SDLC One phase begins when another completes, little backtracking and looping

Problems with Waterfall Approach ,[object Object],[object Object],[object Object]

Alternatives to Traditional Waterfall SDLC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Prototyping ,[object Object],[object Object],[object Object],[object Object]

CASE Tools ,[object Object],[object Object],[object Object],[object Object],[object Object]

Joint Application Design (JAD) ,[object Object],[object Object],[object Object]

Rapid Application Development (RAD) ,[object Object],[object Object]

Agile Methodologies ,[object Object],[object Object],[object Object],[object Object],[object Object]

eXtreme Programming ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Object-Oriented Analysis and Design ,[object Object],[object Object],[object Object],[object Object]

Rational Unified Process (RUP) involves an iterative, incremental approach to systems development

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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