Electronic circuitry contained in random-access memory (RAM) chips, used to temporarily hold information at execution time. Addresses in a processâ€(tm)s virtual memory are mapped to addresses in physical memory. See also "virtual memory".
Memory devices, usually RAM, connected as a subsystem that provide fast-access storage for the operating system, applications, and data.
The actual hardware RAM (Random Access Memory) available in the computer for use by the operating system and applications.