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
Any amount of RAM can be allocated to virtual memory
This temporary storage is called the swap file or page file
Virtual memory is the physical space o the hard drive

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Operating System (OS)
File record length

None of these
depends upon the size of the file
should be chosen to match the data characteristics
should always be fixed
Should always be variable

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Operating System (OS)
Semaphores

synchronize critical resources to prevent deadlock
None of these
are used to do I/O
are used for memory management
synchronize critical resources to prevent contention

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