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console program
The code that the CPU executes during console mode.
console prompt
The prompt ( >>> ) that appears on the screen when the system
is in console mode.
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.
Glossary–7
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