Q479
Virtual memory is
A.
simple to implement
B.
used in all major commercial operating systems
AnswerC.
less efficient in utilization of memory
D.
useful when fast I/O devices are not available
E.
None of the above
Answer: Option B
Solution
Answer: Option B
Solution:
Virtual memory is an area of a computer system's secondary memory storage space (such as a hard disk or solid state drive) which acts as if it were a part of the system's RAM or primary memory. Ideally, the data needed to run applications is stored in RAM, where they can be accessed quickly by the CPU.