Operating System (OS)
The dispatcher

None of these
never changes task priorities
actually schedules the tasks into the processor
is always small and simple
puts tasks in I/O wait

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Operating System (OS)
All of the following are TRUE regarding virtual memory EXCEPT

Virtual memory is the physical space o the hard drive
This temporary storage is called the swap file or page file
Any amount of RAM can be allocated to virtual memory
The setting for the amount of hard disk drive space to allocate virtual memory can be manually change

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