Question

_____ is the concept in which a process is copied into main memory from the secondary memory according to the requirement.

Answer 1

Virtual memory is a memorymanagement capability of an operating system (OS) that uses hardware and software to allow a computer to compensate for physicalmemory shortages by temporarily transferring data from random accessmemory (RAM) to disk storage.

Answer 2

"Demand Paging is the concept in which a process is copied into main memory from the secondary memory according to the requirement.

In terms of computer operated systems, demand paging refers to swapping data between RAM and disk only if required.

Since the pages are not already in the memory, it is a slow process, because the system needs time to copy the data first and then transfer it to the desired location.

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