Operating System (OS)
An operating system is a program or a group of programs that

Helps in checking the spelling of Word
Manages the resources of the Computer
Maintain the relationship in Database
Performs the calculations of cells in Excel

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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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Operating System (OS)
Thrashing can be avoided if

the speed of I/O processor is increased
None of these
the pages, belonging to the working set of the programs, are in main memory
All of these
the speed of CPU is increased

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