Digital Equipment DEC 3000 500X AXP Owner's Manual page 259

PHIGS (Programmer's Hierarchical Interactive Graphics
System) application
An application that uses the PHIGS graphics system and
language to create two-dimensional (2D) and three-dimensional
(3D) images on the screen.
pipeline
a CPU design technique whereby multiple instructions are
simultaneously overlapped in execution.
pointing device
A terminal input device that allows you to make a selection from
a menu or to draw graphics. See mouse and tablet.
port
A socket on the front or back of the system unit to which a
terminal, printer, modem or other device is connected.
port pin-outs
The description of the function of electronic signals transmitted
through each pin in a port connector.
primary cache
The cache that is the fastest and closest to the processor. The
DECchip 21064 CPU contains an instruction cache and a data
cache.
Privileged Architecture Library (PAL)
A software chip that has a series of logic gates (AND, OR, and
NOT) that are not tied together.
privileged console commands
The commands allowed by the password security feature. See
also password security feature.
privileged console mode
The state the system is in when the password security feature
is enabled. When the system is in this mode, certain console
commands can be issued only after a password is provided. See
also password security feature.
Glossary–22