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OPERATING SYSTEM (OS)

Operating System (OS)
What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

XENIX
None of these
MS DOS
UNIX
OS/2

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Operating System (OS)
The most common security failure is

None of these
insufficient technology used to prevent breaches
carelessness by users
depending on passwords
too much emphasis on preventing physical access

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Operating System (OS)
Block or buffer caches are used

to improve disk performance
to speed up main memory read operation
to handle interrupts
None of these
to increase the capacity of main memory

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Operating System (OS)
The practice of "bundling" refers to

selling peripheral devices with computer
selling software to run on computers
giving away software with a computer purchase
selling computers alone
None of these

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Operating System (OS)
Special software to create a job queue is called a

Interpreter
Spooler
Drive
None of these
Linkage editor

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