Operating System (OS)
System maintenance:

None of these
is not required if the system is well written
always requires several programs
is necessary on all systems, regardless of how good
is usually not necessary

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

The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
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

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