The document that is listed at the end of this paragraph is a step by step explanation with screenshots of how to move documents between a workstation and an iPad. The iPad must have an application that can read the file, otherwise this process works great and keeps documents secure. Transferring iPad files
This app is a great app for students and faculty alike.
Transferring files from your workstation to your iPad and back is done using iTunes. This is the most secure method of moving files.