The correct answer is D. Hard drive.
Virtual memory is a technique that allows a computer to use disk space to simulate additional RAM. This can be useful when a program needs more RAM than is physically available. When a program needs more RAM than is available, the operating system will swap some of the program’s data to the hard drive. This data can then be swapped back into RAM when the program needs it.
RAM is a type of memory that is used to store data that is currently being used by the computer. It is much faster than the hard drive, but it is also more expensive. The CPU is the part of the
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