Random access memory
RAM "RAM" redirects here. For the Daft Punk album, see Random Access Memories . For other uses, see Ram (disambiguation) . Example of writable volatile random-access memory: Synchronous Dynamic RAM modules , primarily used as main memory in personal computers , workstations , and servers . Random-access memory ( RAM / r æ m / ) is a form of computer data storage which stores data and machine code currently being used. A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory. In contrast, with other direct-access data storage media such as hard disks , CD-RWs , DVD-RWs and the older magnetic tapes and drum memory , the time required to read and write data items varies significantly depending ...