1.   In the virtual classroom nearly all communication is written, so it is critical that students feel comfortable expressing themselves in writing.

2.   Providing meaningful and quality input into the virtual classroom is an essential part of online learning.

3.   An added benefit came from fellow students around the globe e-mailing their international perspectives back to the virtual classroom.

4.   Burke teaches most of her classes from home, and convenience, both for students and professors, is a major appeal of the virtual classroom.

5.   But virtual classrooms go a big step further, completely replacing face-to-face sessions with online lectures, reading assignments and discussion groups.

6.   Computers provide virtual classrooms, cyberlibraries and online chat areas where students can plug in to their college classes from any location.

7.   Harisim worked with a group of graduate students who actually preferred the virtual classroom to the real thing.

8.   In some cases, the attacks increased demand for Internet-based learning as employers skittish about travel turned to the virtual classroom, observers said.

9.   In the virtual classroom, it can last for weeks.

10.   Internet bulletin boards function as virtual classrooms for students and teachers who can participate at any time, from anywhere, using a computer and a modem.