Digital Equipment VAXstation 2000 Hardware Installation Manual page 116

boot
See bootstrap. _
bootable medium
A fixed disk, diskette, or magnetic tape cartridge containing software (such as
an operating system) a bootstrap program can load into the system memory
and execute.
boot device
The device that is booted at system startup. (See bootstrap and device.)
bootstrap (or boot)
To execute the bootstrap loader program, a program that is always resident
in the system when the power is on. In the VAXstation 2000, this happens
automatically whenever system power is turned on. The bootstrap loader
loads the operating system software from a mass storage device and executes
it. A bootstrap program.
byte
A group of eight binary digits (bits). A byte is one-quarter of a VAX system
word.
central processing unit (CPU)
The part of the system that controls the interpretation and execution of
instructions. In the VAXstation 2000, CPU functions are contained on one
MicroVAX II CPU chip.
cluster
A group of computers networked together that share disk storage, application
programs, and other computer resources.
communications
A cable alongwhich electrical signals are transmitted. Devices or systems that
are connected by a communications line can share information and resources.
computer system
A combination of system hardware, software, and external devices that
performs operations and tasks.
console mode
The state in which the computer is controlled from the console terminal. The
VAXstation 2000 can be put in console mode by pressing the halt button on
the rear of the VAXstation 2000 system unit. Console mode is indicated by
Glossary-2
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