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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 nanoseconds.
null modem
A connection box that replaces two modems and their connecting
wires. This box allows two devices that are designed to interact
through modems to be locally connected.
NVRAM
See nonvolatile random-access memory.
Glossary–19
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