The tools of the trade are your brain, your peers, and your computer. When it comes to your brain you have to know how to think.
Librarianship requires the mastering of all three tools in order to do quality work.
You expect a surgeon to be a master at using a scalple. You wouldn't hire a carpenter who didn't know how to expertly use a hammer. Computer literacy means taking control of your computer and not letting it control you. You are computer literate when you feel you are telling the computer what to do and not the other way around. Its the ability to manage the relentless bits and bytes flooding your electronic desktop on a regular basis.