Read/write memory refers to computer memory that can store and retrieve data. There are several synonyms for this term, including RAM (Random Access Memory), volatile memory, dynamic memory, and main memory. RAM is the most commonly used term for read/write memory and is found in most modern computers. Volatile memory refers to the tendency of RAM to lose its contents once power is turned off. Dynamic memory is used to describe memory that requires frequent refreshing to maintain the stored data. Main memory is a term used to differentiate it from other types of memory, such as the hard drive or flash memory.