Digital Equipment DEC 3000 Series Service Information page 406

console terminal
The video or hardcopy terminal used to start the system and
direct activities between the computer operator and the console
subsystem.
console terminal port
The connector to which the console terminal cable is attached.
controller
A system component, usually a printed circuit board, that
regulates the operation of one or more devices.
CPU
See central processing unit.
cursor
A blinking symbol on the screen that indicates where the next
character you type will appear.
cycle
One clock interval.
data
A formal representation of information suitable for
communication, interpretation, and processing by humans
or computers.
data bus
A pathway used to carry data signals between two or more
components of the system.
data transmission
The movement of data in the form of electrical signals along a
communications line.
DECconnect
Digital's cabling system for extending Ethernet and terminal
interconnections into offices and work areas.
DECchip 21064
This CPU microprocessor chip is a CMOS-4 superscalar (dual
instruction issue), super-pipelined implementation of the Alpha
architecture.
DECnet network
Digital networking software that runs on nodes in both local and
wide area networks.
DEC OSF/1 AXP operating system
A general-purpose operating system based on the Open Software
Foundation OSF/1 technology.
Glossary–6