A. Readily Available Memory; it is the first level of memory used by the computer in all of its operations. B. Random Access Memory; it is memory that can be reached by any sub- system within a computer, and at any time. C. Random Access Memory; it is the memory used for short-term temporary data storage within the computer. D. Resettable Automatic Memory; it is memory that can be used and then automatically reset, or cleared, after being read from or written to.