(1) A
graphical user interface developed by Digital Research that is built into
personal computers made by Atari, and is also used as an
interface for some
DOS programs. Like the
Macintosh interface and
Microsoft Windows, GEM provides a windowed
environment for
running programs.
GEM also refers to a special graphics file format used in GEM-based applications.
(2) Short for Globally Executable Multimedia
Home Platform (MHP) it defines specifications based
on MHP together with DVB. GEM is a framework
not a standalone specification, used by those wanting to define specifications
based on MHP. The GEM specification lists those parts of the MHP specification
that have been found to be DVB technology or market specific. The
OpenCable Project is based on the GEM
standard.