The pc's working system, utilizing a mix of hardware and software, maps memory addresses used by a program, known as digital addresses, into bodily addresses in laptop memory. Foremost storage, as seen by a course of or job, seems as a contiguous tackle area or assortment of contiguous segments. The operating system manages digital address spaces and the project of real memory to virtual memory. Tackle translation hardware in the CPU, also known as a memory administration unit (MMU), robotically translates digital addresses to bodily addresses. Software inside the operating system could lengthen these capabilities, Memory Wave Program utilizing, e.g., disk storage, to supply a digital handle house that may exceed the capability of actual memory and thus reference more memory than is bodily current in the pc. The primary advantages of virtual memory embrace freeing applications from having to manage a shared memory house, potential to share memory utilized by libraries between processes, elevated security resulting from memory isolation, and having the ability to conceptually use more memory than could be bodily available, utilizing the technique of paging or Memory Wave segmentation.

Virtual memory makes software programming easier by hiding fragmentation of bodily memory