算术逻辑单元英文
5、1 The von Neumann puter model
The vast majority of puter systems used today are constructed on the van Neumann puter model、A puter is viewed as a stored program puter、A program is a sequence of instructions, each of which performs a basic operation、Before execution, the program is stored in memory along with data to be manipulated、When executed, the instructions in it are retrieved from memory, one after another, and brought into the processing unit、 Decodes instruction, retrieve data ...