What are the applications of assembly language where any heigher language become insufficient.?

Answer and Explanation:

we know that high level language gives the best optimized output but its not good as the codes are written in assembly language by human expert if the application is badly constrained in memory and we need fast running then we have to use assembly language directly if any project is specific to a particular platform and never needs to transfer to any other platform then its better to use assembly language this much better output