Digital Equipment DEC 3000 Series Service Information page 415

MOP
See Maintenance Operations Protocol.
mouse
A hand-held input device that is moved across the desktop to
move the pointer or cursor on the monitor screen and to select
menu options and draw graphics. The mouse is palm-sized and
contains up to three buttons (function keys).
multiprocessing
A processing method that replicates the sequential computer and
interconnects the collection so that each processor can execute the
same or a different program at the same time.
multiprocessing system
A system that executes multiple tasks simultaneously.
multiplex
To transmit several messages or signals simultaneously on the
same circuit or channel.
nanosecond
A unit of measure equal to one billionth of one second used to
measure the speed of memory and logic chips.
network
Two or more computers linked by communication lines to share
information and resources.
network coordinator
The person who manages the network, assigns unique node
names and addresses for each system on the network, and
provides administrative assistance to network users.
node
A device that has an address on, is connected to, and is able
to communicate with other devices on the bus. In a computer
network, an individual computer system connected to the network
that can communicate with other systems on the network.
node name
A name that identifies a unique node.
nonvolatile random-access memory
Memory, such as magnetic tape or core memory, in which values
are stored even when the system is turned off.
ns
See nanosecond.
Glossary–15