A web application starts when a client sends a request to a server
If some files appear dimmed in one of the default folders on your computer, the best course of action would be to A. leave the files as they are.
These files are probably either hidden or system files, which are never meant to be deleted or moved.
Im pretty sure the answer is PWD
This would be a mentor-D. They role is to mentor or guide you with advice or assistance. A role model is a similar answer in that they respect you, but they might not offer advice or assistance which makes it incorrect.
Answer:
the user cannot use a computer system without hardware and software
