Main Page | See live article | Alphabetical index The memory address register is the register of a computer's control unit that contains the address of a register to fetch or store from or to the computer storage. The memory address register is half of a minimal interface between a microprogram and computer storage. The other half is a memory data register. Far more exotic memory interfaces exist, but this is the least that can work. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.