CPU Components and FunctionsSo, let's say we press a button on the keyboard and immediately appear on our computer monitor so the CPU of the computer is what allows this to happen. The central processing unit is also responsible for storing data or information, intermediate results and instructions in the memory system. It also controls the operation of all other parts of the computer system.
CPU FunctionCPU functions generally perform arithmetic and logical operations, controlling different input-output devices. This operation is carried out based on several predetermined algorithms and instructions are usually referred to as computer programs.
A computer program is a set of instructions written by humans to carry out certain operations by the CPU. Computer programs are usually stored in the Central Processing Unit memory unit.
The CPU mainly consists of ALU (Arithmetic and Logic Unit), Control Unit and Memory Unit. These three units are the main components of the CPU. The various CPU functions and operations are generally carried out by these 3 units.
CPU Components And Their FunctionsThe following is explained about the CPU components and their respective functions.
Memory UnitThe first CPU component is a memory unit whose main function is to store data or instructions and intermediate results. This needs to be known by everyone because it is related to the data they store. The memory unit supplies data to other CPU units. In Computer Organizations, memory can be divided into two main parts namely primary memory and secondary memory. Speed and power and memory performance depend on the size and type of memory.
When an instruction is processed by the central processing unit, main memory or RAM stores the final result before sending it to the output device. All inputs and outputs are between and transmitted through main memory.
Control UnitThe next CPU component is the control unit which controls all operations of different units but does not perform actual data processing operations. The control unit transfers data or instructions between different computer system units. It receives instructions from memory, interprets them and sends operations to various units as instructed.
This CPU component is also responsible for communicating with all input and output devices to transfer or receive instructions from the storage unit. So, the control unit is the main coordinator because it sends signals and finds the sequence of instructions to be executed. Everyone who uses a computer must know the components of this CPU.
Arithmetic and Logic UnitsCPU components that are no less important are Arithmetic and logic units. The CPU component is divided into 2 parts namely, arithmetic units and logic units. This is a complex digital circuit consisting of registers and which carries out arithmetic and logical operations. The arithmetic section carries out arithmetic operations such as addition, subtraction, multiplication, division, etc. All other Complex operations can also be performed by repeating the basic operations above.
The logic unit is responsible for carrying out logical operations such as comparing, selecting, matching, and combining various data or information.
So basically ALU is the main part of a computer system that handles different calculations. Depending on the ALU design it makes the CPU more powerful and efficient.
Thus a brief explanation of CPU components and their respective functions and everyone needs to understand that.