Answer:
VIRTUAL MEMORY
Step-by-step explanation:
Virtual memory is a memory management capability of an operating system that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory to disk storage.This technique is useful as large virtual memory is provided for user programs when a very small physical memory is there.
Virtual Memory is also an operating system which enable a computer to address more memory than the amount physically installed on the system.
Virtual memory are responsible for memory management.