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.

Fast, electronic memory of a computer; main memory; physical memory stands in contrast to virtual memory.

Storage implemented using RAM chips.

The actual amount of RAM in your system ( See Virtual Memory)