Error: Sample error

Processing data: Sample data

There will be no output

It will result in a runtime error

A situation where callbacks are used excessively, leading to slower program execution.

A condition where callbacks are prone to causing memory leaks in Node.js.

A limitation that prevents the use of callbacks in certain asynchronous operations.

A scenario where callbacks are nested deeply, resulting in difficult-to-read and maintain code.

To eliminate the need for callbacks

To handle long-running tasks without blocking the execution of other tasks

To make the code execution faster

To simplify the code structure

Promises can only be used with certain built-in Node.js functions

Promises eliminate the need for error handling in asynchronous operations

Promises offer better performance and faster execution

Promises provide a more structured and readable way to handle asynchronous operations