motherboard
The main circuit board of a computer. The motherboard contains the base
electronics for the system (for example, base I/O, CPU, ROM, and console serial
line unit) and has connectors where options (such as I/Os and memories) can be
plugged in.
multiprocessing system
A system that executes multiple tasks simultaneously.
node
A device that has an address on, is connected to, and is able to communicate with
other devices on a bus. Also, an individual computer system connected to the
network that can communicate with other systems on the network.
NVRAM
Nonvolatile random-access memory. Memory that retains its information in the
absence of power.
OCP
Operator control panel.
open system
A system that implements sufficient open specifications for interfaces, services,
and supporting formats to enable applications software to:
• Be ported across a wide range of systems with minimal changes
• Interoperate with other applications on local and remote systems
• Interact with users in a style that facilitates user portability
OpenVMS AXP operating system
A general-purpose multiuser operating system that supports AlphaGeneration
computers in both production and development environments. OpenVMS AXP
software supports industry standards, facilitating application portability and
interoperability. OpenVMS AXP provides symmetric multiprocessing (SMP)
support for Alpha multiprocessing systems.
operating system mode
The state in which the system console terminal is under the control of the
operating system. Also called program mode.
Glossary–10
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