random access memory n 1: the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible [syn: {random-access memory}, {random access memory}, {random memory}, {RAM}, {read/write memory}]
main memory \main memory\ n. (Computers) The memory in a computer that holds programs and data for rapid access during execution of a program; it usually hold the largest quantity of rapid-access storage in a computer; -- also called {RAM} ({random access memory}. It is contrasted to {ROM}, {disk data storage}, {cache}, {registers} and other forms of data storage. [PJC]