HDFS: Files Across Machines

Create a complete educational whiteboard animation video on **HDFS (Hadoop Distributed File System)** for B.Tech, BCA and MCA students. **Language:** Simple Hindi and Hinglish, written in Roman Hindi. **Voice-over:** Clear, natural Hindi-speaking teacher voice. Explain every concept slowly, as if teaching students in a classroom. **Visual style:** Pure white background, black hand-drawn sketches, animated drawing effects, simple arrows, labels, boxes and educational diagrams. Make the drawings appear as if a teacher is drawing them on a whiteboard. **Scenes:** 1. Introduce the problem of storing huge amounts of data. 2. Explain what HDFS is in simple language. 3. Explain NameNode and DataNode with a labelled diagram. 4. Show how a large file is divided into blocks. 5. Explain block replication across multiple DataNodes. 6. Demonstrate how a file is stored and read. 7. Explain the advantages and limitations of HDFS. 8. End with a short recap and five exam-oriented questions. Use accurate technical terminology, readable labels, smooth transitions and synchronized narration. Avoid unnecessary decorative graphics. Keep the video engaging, classroom-friendly and suitable for university examination preparation. Generate the complete video with scenes, animation, voice-over and subtitles wherever supported.