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Introduction to System Analysis and Design - Coggle Diagram
Introduction to System Analysis and Design
Topic 1.1 Information
System
Meaning
A collection of procedures, hardware, software, people and data, organized to generate information to support an organization’s objectives.
Components of Information Systems
Resources of people
Software
Hardware
Data
Network
Types Of Information System
Decision support system
Management information systems
Transaction processing systems
Impact Of IT On Business
2.Who develops Information Systems?
Software packages
Internet-based application services
In-house applications
Outsourcing
Custom solutions
Enterprise-wide software strategies
3.Information Technology
A vital asset that must be used effectively, updated constantly, and safeguarded carefully
Combination of hardware and software products use to manage, access,
1.The Role of Systems Analysis and Design
Systems Analysis and Design
Topic 1.2 System Development Approach
System development methods
Object Oriented Analysis
Agile / Adaptive Method
Structured Analysis
SDLC Activities
Design
Development
Planning
Testing
Analyze
Implementation
Maintenance
Various Types Of Life Cycle Models
Agile model
Prototyping model
Spiral model
Iterative and incremental development
Waterfall model
Rapid Application Development (RAD)
Joint Application Development (JAD)
Extreme Programming (XP)
Basic Guidelines For System Development
Involve users and listen carefully to them
Remain flexible
Develop a project plan
Topic 1.3 Project Management
Project managers typically perform 4 main task
Project scheduling
Project monitoring and controlling
Project planning
Project reporting
3 key steps in project planning
Identify a task patterns
Calculate the critical path.
Create a work breakdown structure.
Work Breakdown Structure
Gantt charts
PERT/CPM charts
Task Pattern
Task patterns can involve dependent tasks, multiple successor tasks, and multiple predecessor tasks
Large or small, tasks depend on each other and must be performed in a sequence, not unlike the commands in a software program
Critical Path
If any task on the critical path falls behind schedule, the entire project will be delayed
Critical path is a series of task which, if delayed, would affect the completion date of the overall project.
Project Monitoring And Control
• Maintaining a Schedule
Monitoring and Control Techniques
Reporting
Members of the project team regularly report their progress
Project Status Meetings
Project Management Examples
Risk Management
Managing For Success
Budget Issues
Schedule Issues
Business Issues
The Bottom Line