A. Part of main memory only used for swapping
B. A technique to allow a program, of size more than the size of main memory, to run.
C. Part of secondary storage used in program execution
D. None of the above

Solution

B. A technique to allow a program, of size more than the size of main memory, to run.

Explanation

Whenever the size of the process is greater than the size of the Main Memory, we use Virtual memory which temporarily store some data from the RAM to the disc . Virtual memory is a technique which allows a program of size more than the Main memory to run