Address bus

An abode bus is a computer bus (a alternation of curve abutting two or added devices) that is acclimated to specify a concrete address. When a processor or DMA-enabled accessory needs to apprehend or abode to a anamnesis location, it specifies that anamnesis area on the abode bus (the bulk to be apprehend or accounting is beatific on the abstracts bus). The amplitude of the abode bus determines the bulk of anamnesis a arrangement can address. For example, a arrangement with a 32-bit abode bus can abode 232 (4,294,967,296) anamnesis locations. If anniversary anamnesis abode holds one byte, the addressable anamnesis amplitude is 4 GiB.