Operating System (OS)
Which one is true for unconditional disk formatting?

All of above
Do not check/scan surface after format
Transfer system files after format
Destroys every byte of data on a disk by overwriting it with with blank spaces

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Operating System (OS)
Virtual Memory

is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
None of these

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