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Glossary
ANSI
American National Standards Institute, an organization that
develops and publishes standards for the computer industry.
autoboot
The process by which the system boots automatically.
auxiliary serial port
The EIA 232 serial port on the I/O module of the DEC 4000 AXP
system. This port provides asynchronous communication with a
device, such as a modem.
availability
The amount of scheduled time that a computing system provides
application service during the year. Availability is typically
measured as either a percentage of ''uptime'' per year or as
system ''unavailability,'' the number of hours or minutes of
downtime per year.
BA640
The enclosure that houses the DEC 4000 AXP system. The
BA640 is compatible with the departmental environment and
is designed for maximum flexibility in system configuration.
Employing an open system architecture, the BA640 incorporates
a state-of-the-art Futurebus+ area, which allows for expansion of
the DEC 4000 AXP system with options available from Digital
and other vendors.
Glossary–1
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