User`s manual

U.S. Robotics I-modem Command Reference
Glossary • Page G-24
Industry Standard Architecture (ISA)
The most common type of computer expansion bus. Other types include Extended Indus-
try Standard Architecture (EISA) and Microchannel Architecture (MCA).
Integrated Services Digital Network (ISDN)
An international standard for providing end-to-end digital service over the public telecom-
munications network. The aim of ISDN is to integrate the transmissions of a number of
different devices, including computers, telephones, and fax machines, into one digital net-
work.
interrupt request (IRQ)
A number that must be assigned to devices that plug into your computerÕs expansion bus.
IRQ
See interrupt request.
ISA
See Industry Standard Architecture.