Grass Valley PDR v.2.1 - Manual (Page 146)

Glossary
130 Profile Family
Pointer
The pointer allows you to make selections in menus, to size and position
windows and icons, and to select the window where you want to send the
input. The window manager, such as Windows NT, determines the shape of
the pointer. See Pointing Device.
Pointing device
Typically a mouse, tablet, or some other device with effective dimensional
motion. See Pointer.
Port
A physical connection (such as a multi-pin connector or coaxial connector)
and its associated firmware, that permits one computing device to
communicate data and control information with another computing or
peripheral device.
Protocol
A set of rules that allows computers to transfer information across a network
to other computers.
Read-only memory (ROM)
Memory that is not erased when power is turned off. It is also called
firmware. The firmware in a computing device allows it to boot without
being connected to a host computer.
Real-time
Generally considered to be 30 fps in NTSC, 25 fps in PAL, 24 fps for film.
In computer terms, processing information as it becomes available, rather
than storing for processing at a later time.
Resource
A resource is a Profile input, JPEG codec, or output. You allocate resources
for exclusive use by any application, such as Tool Box Editor, List Manager,
and VDRPanel. You should free up (deallocate) unneeded Profile resources
whenever possible to that they can be used by other applications.