Multiple choice:Virtual memory management is used to _____.
Virtual memory management is used to _____.@[ D](1)
A. implement memory protection
B. implement floating of programs
C. expanding the capacity of secondary memory
D. expanding the capacity of primary memory
A.implement memory protection
B.implement floating of programs
C.expanding the capacity of secondary memory
D.expanding the capacity of primary memory
answer：D
A. implement memory protection
B. implement floating of programs
C. expanding the capacity of secondary memory
D. expanding the capacity of primary memory
A.implement memory protection
B.implement floating of programs
C.expanding the capacity of secondary memory
D.expanding the capacity of primary memory
answer：D
