A SERVICE OF

logo

Open as PDF
next previous
console subsystem
The subsystem that provides the user interface to the system
when operating system software is not running. The console
subsystem consists of the following components:
console program
console terminal
console terminal port
remote access device
remote access port
Ethernet ports
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.
control and status register (CSR)
A register inside the CPU that can contain processor control bits
and processor status.
controller
A system component, usually a printed circuit board, that
regulates the operation of one or more devices.
CPU
See central processing unit.
CSR
See control and status register.
cursor
A blinking symbol on the screen that indicates where the next
character you type will appear.
cycle
One clock interval.
Glossary–8