Discussion
Which of the following is a storage allocation scheme in which secondary memory can be addressed as though it were part of the main memory?
Answer: A
Virtual memory is the storage allocation scheme in which secondary memory (the disk) can be addressed as if it were part of main memory, so a program can be larger than the physical RAM. Secondary memory is the storage itself and not the scheme, and CPU registers and CPU buffers are small fast storage inside or beside the processor, not a way of addressing the disk as memory. A page of a program that is not in RAM is kept on the disk and brought in when needed, so the program behaves as if it had a much larger memory than is installed.
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