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M.I.S System Analysis & Design

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M.I.S System Analysis & Design
Modern Systems Analysis and Design
Prof. David Gadish

Chapter 1 The Systems Development Environment

Learning Objectives ü ü ü ü

ü ü

Define information systems analysis and design. Describe the different types of information systems. Describe the information Systems Development Life Cycle (SDLC). Explain Rapid Application Development (RAD), prototyping, Joint Application Development (JAD), and Computer Aided Software Engineering (CASE). Describe agile methodologies and eXtreme programming. Explain Object Oriented Analysis and Design and the Rational Unified Process (RUP).
2

Chapter 1

Introduction n Information Systems Analysis and Design
¨ Complex organizational process. ¨ Used to develop and maintain computer­

based information systems. ¨ Used by a team of business and systems professionals.

Chapter 1

3

Introduction (Cont.)

Figure 1­1 An organizational approach to systems analysis and design is driven by methodologies, techniques, and tools
Chapter 1 4

A Modern Approach to Systems Analysis and Design n 1950s: focus on efficient automation of

existing processes n 1960s: advent of 3GL, faster and more reliable computers n 1970s: system development becomes more like an engineering discipline

Chapter 1

5

A Modern Approach to Systems Analysis and Design (Cont.) n 1980s: major breakthrough with 4GL,

CASE tools, object oriented methods n 1990s: focus on system integration, GUI applications, client/server platforms, Internet n The new century: Web application development, wireless PDAs, component­ based applications

Chapter 1

6

A Modern Approach to Systems Analysis and Design (Cont.) n Application Software
¨ Computer software designed to support

organizational functions or processes. n Systems Analyst
¨ Organizational role most responsible for

analysis and design of information systems.

Chapter 1

7

A Modern

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