And point out the next instruction in memory

The link controller of the linkage console is a computer command center, which is responsible for determining the order of executing the program, gives the operation control command required by each component of the execution instruction.
The controller of the linkage console consists of a program counter, an instruction register, an instruction decoder, a timing generator, and an operation controller. It is a "decision-making body" issued command, which is the operation of coordination and commanding the entire computer system.Remove one instruction from the memory and points out the next instruction in memory.Decoding or testing instructions and generating a corresponding operational control signal to initiate a predetermined action; direct and control the direction of data flow between CPUs, memory, and input / output devices.According to the prior given command, control information is issued, so that the entire computer instruction is performed step by step, which is the nerve center of the computer.