CD-Roms vs. Computer files

Margi Peoples (
Tue, 28 Aug 2001 14:26:37 -0700 (PDT)

I just have two cataloging questions. What is the difference between
CD-Rom's and Computer files and why is it that sometimes I see the (gmd)
as "computer file" or "interactive multimedia" what is the difference?
Thank you for your help.

Margi Peoples
Library Assistant
University of San Diego
5998 Alcala Park
San Diego, CA 92110
619-260-4600 ext. 8951