5. System Analysis and Design

5. System Analysis and Design

5.1 Introduction to Systems

• Definition of a System

• System Owner, System User, System Designers, and System Builders

• Role of System Analysts

• Variations in System Analyst Titles

• System Development Life Cycle (SDLC)

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5.2 System Development Methodologies

• Prototyping

• Spiral Model

• Waterfall Model

• Rapid Application Development (RAD)

• Joint Application Development (JAD)

• DevOps

• Agile Development

• Object-Oriented System Development

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5.3 System Design Environment

• Concept Formulation

• Design Considerations and Constraints

• Design Process Overview

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5.4 Requirements Analysis

• Representing System Analysis Models

• Requirement Model

• Design Model

• Functional and Non-Functional Requirements

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5.5 Object-Oriented System Analysis and Design

• Fundamentals of Object-Oriented Analysis and Design (OOAD)

• Concepts of Classes, Objects, Inheritance, and Polymorphism

• Modeling Techniques in OOAD

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5.6 System Modeling Tools

• Entity-Relationship Diagram (E-R Diagram)

• Context Diagram

• Data Flow Diagrams (DFDs)

• Unified Modeling Language (UML) Diagrams

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