It reads data from the RAM and processes it in order for the computer to do the tasks it is programmed to do. On a computational level, it processes all of the data. Central Processing Unit (CPU): The CPU can be regarded as a computer’s brain.The function of these devices is to convert the machine’s response into a format that the computer user can understand. Output Unit: The computer’s response is relayed through output devices in the form of a visual response (monitor), sound (speakers), or media devices (CD or DVD drives).For example, a laptop’s keyboard is an input device. Later, the data gets processed by the computer’s CPU which generates output. Input Unit: The main function of the input unit is to send commands and transfer data into computers.Its function is to connect all of the components so that they may communicate and work together. Motherboard: The motherboard is the main board that is screwed into the computer case directly.Here is a complete list of computer parts and their functions: It generally communicates directly with the monitor.Ĭredits: DigitalThinkerHelp Components of Computer System and Its Function Good graphics like these are also helpful for people who have to execute their work through images like 3D modellers and others who use resource-intensive software. The Graphics Processing Unit or the video card helps generate high-end visuals like the ones in video games. Graphics Processing Unit (GPU)Īnother vital component of the computer is GPU. It has circuits that are built for addition, subtraction, multiplication, division and other calculations. This unit does mathematical calculations, arithmetic operations, comparison of data and decision making. So getting instructions, decoding it, signalling the execution and receiving the output is done by the control centre and hence it is called the centre of all processing actions that happen in the computer. It collects the data entered, leads it on for processing after the processing is done, receives the output and provides it to the user. This unit controls the functioning component of the computer.
Similarly, when the output is ready it is saved in the memory before the result is given to the user. The information entered through the input devices is saved in the memory of the CPU and then passed on to the other parts.
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