I am feeding in the details. - computer or technology related? Just guessing.
I am putting in the details. - I don't know. It's correct, but I can't think of exactly how one would use it. There's always searching for the phrase in Google. Put it in quotations in the Google search box. You'll need to have the Google toolbar and activate "Find bar" - find and highlight words. This is in "Options".
I am filling in the details. - filling out a form - maybe
- For Teachers