Hands On "AI Engineering"

Hands On "AI Engineering"

Day 46: Quiz Taking Interface

Building Interactive Quiz Sessions with Real-Time State Management

SystemDR's avatar
SystemDR
Nov 25, 2025
∙ Paid

What We’re Building Today

Today we’re creating the heart of our quiz platform - the interactive quiz taking interface. We’ll build a real-time quiz session system that handles question presentation, answer submission, progress tracking, and session state management using React and Gemini AI for intelligent question processing.

Key Components:

  • Interactive quiz session controller

  • Question presentation engine with AI-powered content

  • Real-time answer submission and validation

  • Progress tracking and session state management

  • Timer-based question flow


Core Concept: Interactive Quiz Sessions

Interactive quiz interfaces are the bridge between static content and dynamic user engagement. Unlike simple forms, quiz interfaces must manage complex state transitions, handle real-time interactions, and provide immediate feedback while maintaining session integrity.

Why This Matters: Companies like Khan Academy and Coursera handle millions of quiz sessions daily. Their systems must seamlessly manage user state, prevent cheating, handle network interruptions, and provide instant feedback - all while maintaining sub-second response times.


Component Architecture

Our quiz taking interface operates as a state machine with distinct phases: initialization, question presentation, answer collection, validation, and progression. Each component manages specific responsibilities while communicating through a centralized state management system.

The architecture separates concerns between presentation (React components), logic (quiz session controller), and data (Gemini AI integration). This separation allows for independent scaling and testing of each layer.

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