🏗️ System Architecture
Smart QnA is built on a scalable, modular stack.
🔧 Tech Stack
- Frontend: React + TailwindCSS
- Backend: FastAPI (Python)
- Database: Amazon RDS (PostgreSQL)
- Storage: AWS S3
- AI Engine: Vision Transformers + LLMs
- Hosting: Vercel (frontend), EC2 (backend)
🧭 Data Flow
- User interacts with UI
- FastAPI handles routing and logic
- PostgreSQL stores structured data
- AWS S3 stores scripts and media
- AI service compares answers and returns scores
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