Learning Objectives
6 objectives- Understand the fundamental concepts and importance of system analysis and design in information system development.
- Develop skills to gather, analyze, and document system requirements effectively.
- Apply various system modeling techniques to represent system components and interactions.
- Learn and apply system design principles to create modular and maintainable systems.
- Design user-friendly interfaces and implement efficient databases.
- Gain knowledge of system testing, implementation, deployment, and maintenance processes.
Content Outline
PreviewUnit 155: System Analysis and Design
1. Introduction to System Analysis and Design
- Definition and scope of system analysis and design
- Importance in developing efficient and effective information systems
- Overview of the system development life cycle (SDLC)
- Roles and responsibilities of system analysts and designers
2. Understanding System Requirements
- Techniques for gathering requirements (interviews, questionnaires, observation)
- Analyzing requirements for feasibility and clarity
- Documenting functional and non-functional requirements
- Managing stakeholder expectations and communication
3. System Modeling Techniques
- Purpose and benefits of system modeling
- Data Flow Diagrams (DFDs)
- Symbols and levels of DFDs
- Creating context and detailed DFDs
- Entity-Relationship Diagrams (ERDs)
- Entities, attributes, relationships
- Cardinality and participation constraints
- Unified Modeling Language (UML) Diagrams
- Use case diagrams
- Class diagrams
- Sequence diagrams
4. System Design Principles
- Modularity: dividing a system into manageable modules
- Abstraction: hiding complex details
- Information hiding: encapsulation of data and processes
- Coupling and cohesion concepts
- Designing for maintainability and scalability
5. User Interface Design
- Principles of good user interface design
- Usability and accessibility considerations
- Designing intuitive navigation and layouts
- Prototyping and user feedback integration
6. Database Design and Implementation
- Importance of database design in system development
- Relational database concepts
- Data normalization (1NF, 2NF, 3NF)
- Designing tables, keys, and relationships
- Implementing databases using SQL
7. System Testing and Validation
- Types of testing (unit, integration, system, acceptance)
- Testing strategies and planning
- Defect tracking and management
- Validating system against requirements
8. Implementation and Deployment
- Preparing for system installation and configuration
- Data migration and integration
- User training and documentation
- Deployment strategies and rollout plans
9. System Maintenance and Evolution
- Importance of maintenance in system lifecycle
- Types of maintenance: corrective, adaptive, perfective, preventive
- Performance monitoring and optimization
- Handling change requests and system upgrades
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