Table of Contents
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Operating system
A collection of programs that controls the overall operation of a computer
and performs such tasks as:
•
Assigning places in memory to programs and data
•
Processing requests, scheduling jobs
•
Controlling the operation of input and output devices
Output device
A device by means of which data can be extracted from a computer system,
for example, a printer.
Peripheral device
Any device distinct from the central processing unit that provides it with
additional memory storage or communication capability. Examples are disk
and diskette drives, video terminals, and printers.
Power-up sequence
A series of ordered events that occurs when you supply power to a system
by turning it on.
Printer
A peripheral device that provides paper copies of information stored in a
computer.
Product Authorization Key (PAK)
A PAK is a printed certificate containing information that must be input to
the VMS License Management Facility to authorize the VMS user to run a
particular software product.
Program
The complete sequence of instructions necessary for a computer to perform
a task. See Software.
Prompt
A character(s) or word(s) that a computer displays to indicate it is waiting
for you to type a command.
Quorum disk
A quorum disk acts as a virtual node in a system using the quorum scheme.
See the VMS VAXcluster Manual for further information on quorum disks
and the quorum scheme.
Glossary–7
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