dll extension and exe extension files

Question

Illustrate the difference between the .dll extension and .exe extension files?

Answer 1

The key difference between .dll and .exe is as described below:

.dll is In-process component where it takes up the client's memory space to run. Therefore the communication between the application and component (dll) is extremely fast.

.EXE is Out of process component. It utilizes its own memory (not application memory) to run the component. The communication between application and component is slow whenever compared to the .dll files.