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The command center of the computer is the controller. The controller is the control and command center of the entire computer. It is composed of instruction counter, instruction register, decoder, operation controller and other parts. It is used to coordinate and direct the operation of the entire computer system. Under the control of the controller, the computer can automatically follow the instructions. Programmed steps perform a series of operations to accomplish a specific task.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
What is the computer command center?
The command center of the computer is the controller.
The controller is composed of instruction counter, instruction register, decoder, operation controller and other parts. It is the control and command center of the computer, coordinating and directing the operation of the entire computer system.
The computer controller is the nerve center of the computer, directing all components in the machine to automatically coordinate their work. Under the control of the controller, the computer can automatically perform a series of operations according to the steps set by the program to complete specific tasks.
The main components inside the controller are as follows:
①Instruction register: stores instructions obtained from the memory.
②Decoder: Translates the operation code in the instruction into a control signal.
③ Timing beat generator: Generates timing pulse beat signals to make the computer work rhythmically and orderly.
④Operation control components: combine control signals to control each component to complete the corresponding operation.
⑤Instruction counter: Calculate and point out the address of the next instruction.
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