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Operating System Roles
Grade Level
Computer Science
HSCS.019 Operating System Roles
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A virtual machine app runs several guest systems, but the host operating system still decides which host process or thread receives CPU time next. Which role does the host OS perform?
A
User security, because the host OS is only filtering email spam
B
Process scheduling, because the host OS allocates processor time among runnable host tasks
C
File management, because the host OS is only naming guest disk images
D
Device control, because the host OS is only changing the USB cable type
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