Software Design

Modeling Hybrid Quiz Grading Workflows

Use Case Diagrams · made in Skemio

UML use case diagram for Quiz Grading System. Student actor associates with Submit Quiz Answers. Auto-Grader actor includes Grade Objective Items and routes Grade Free Text to Teaching Assistant actor.

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What it shows

Deterministic questions evaluate synchronously in sub-second background jobs.
Subjective answers decouple into an asynchronous manual grading queue.
Manual score edits extend the default tally without breaking auto-rules.

The takeaway

Split evaluation by answer format: evaluate objective inputs immediately and queue subjective ones for TAs.

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