Specifications

R4-11-4G Glossary 5
Graphical User Interface: (GUI) A computer interface that permits
users to directly manipulate objects displayed on the monitor as the primary
means of interaction. Using a pointing device, the screen objects can be
modified and controlled.
H
High-level Data Link Control: (HDLC) A protocol used between the
DBS and the RNC.
Hertz: (Hz) A unit of frequency of a periodic process equal to one cycle per
second.
I
Inbound: (IB) The transmission direction from a user device to a host
application.
Industry Standard Architecture: (ISA) A personal computer bus
architecture. Developed by IBM® for the AT® computer.
INM: Integrated Network Manager. See FullVision INM.
Input/Output: (I/O) A device used to send or retrieve information to or
from a computer. These devices include hard disk and CD-ROM drives, and
printers.
Institute of Electrical and Electronics Engineers: (IEEE) An
international engineering society, in over 130 countries. Members are
technical and scientific professionals.This is a U.S. professional society that
also takes part in the development of standards for use by the computer
industry. In the context of computer communications,it has been responsible
for the production of standards relating to LANs.
Inter-Exchange Carrier: (IEC) US term for any telephone operator
licensed to carry traffic between LATAs interstate or intrastate.
International Electrotechnical Commission: (IEC) The Commission
promotes co-operation on all questions of standardization and related
matters in the fields of electrical and electronic engineering and thus to
promote international understanding.
International Standards Organization: (ISO) An international union
comprised of the national standards bodies from member countries. The
technical committee that produces standards for the computer industry is
TC97 - Information Processing Systems. ISO has been responsible for the
production of the basic ISO Reference Model for OSI and the production of
the standards for each layer in the reference model.