network coordinator
The network coordinator manages the network, assigns unique node names
and addresses for each system on the network, and provides administrative
assistance to network users.
network manager
See network coordinator.
node
An individual information-processing unit, such as a computer, workstation,
or peripheral device, that is connected to a network. A node is an end point to
any branch of a network or a junction common to two or more branches.
operating system
A collection of system programs that controls the operation of the system and
allows the user access to data files, input/output devices, and applications
programs. The operating system software performs such tasks as assigning
memory to programs and data, processing requests, and scheduling jobs. VMS
and ULTRIX are the two examples of operating systems.
output device
A device that accepts data from the system. A printer is an example of an
output device.
peripheral device
A device that provides the CPU with additional memory storage or
communication capability. Examples are disk and diskette drives, video
terminals, and printers.
port
Another term for a connector on a device (such as a computer or server),
used to make a connection to another device (such as a terminal, printer, or
communications device). Connectors are usually on the rear of equipment.
power-up sequence (power up)
A series of ordered events that occur when you supply power by turning on the
system.
program
The sequence of instructions the system uses to perform a task. See software.
Glossary–8
