Activity Diagram Descriptions
Below are the text-based activity flow plans for each use case to support the drawing of 16 activity diagrams for the Skill Track system.
Activity Diagram 01: User Registration and Login
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 02: Profile Management
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 03: AI-Powered Learning Path Generation
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 04: Course Enrollment and Access
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 05: Progress Tracking and Analytics
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 06: Assessment and Certification
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 07: Managerial Reporting and Team Monitoring
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 08: Notification System
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 09: Feedback System
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 10: Chatbot Support
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 11: Gamification
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 12: Multi-Language Support
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 13: Mobile Accessibility
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 14: Admin Control Panel
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 15: HR Dashboard and Analytics
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

Activity Diagram 16: Security and Privacy Measures
Start
↓
System loads the required interface
↓
User inputs necessary data or performs an action
↓
System validates and processes the input
↓
Decision: Is input valid and process successful?
→ Yes → Notify user of success
→ No → Notify user of failure and prompt correction
↓
Update system logs/records (if applicable)
↓
End

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