is an OPAC?
OPAC stands for . . .
Online: The word "online" refers
to sharing information over a computer network.
Public Access: The phrase "public access" means
open to all users.
Catalog: A "catalog" in
the library world is a collection of descriptions
of the materials
which the library offers to its users.
Catalog materials are referred
to as "items" and
may include books, periodical subscriptions, audiovisual
programs, and items from special collections such
as government documents, maps, and photographs.