Is Node a single threaded application?

Yes. Node is a single-threaded application with event looping.

Yes, Node.js operates on a single-threaded event loop model. However, it utilizes non-blocking I/O operations, allowing it to handle multiple requests concurrently without creating additional threads. This architecture makes Node.js highly scalable and efficient for handling asynchronous operations, such as handling network requests or file system operations, without getting blocked by I/O operations. Additionally, Node.js provides features like the Cluster module to leverage multi-core systems for better performance.