What are the main components of a computer ?

What are the main components of a computer ?
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The main components of a computer are - 1. Keyboard , II. Mouse , 3. System unit , 4. Monitor. 1. Keyboard: The computer receives input information with the help of keyboard. Keyboard is one of the input devices. The keyboard is lined up with different keys of letters , numbers , special symbols. Even typing with a keyboard can give the computer all the necessary instructions. Keyboard may have 102/104. 2. Mouse: A mouse is also an input device. It is also called pointing device. The mouse has two or three buttons. The necessary instructions are given to the computer by pressing the button. 3. System unit: The system unit is the main part of the computer including processor , motherboard , memory , power supply. The information input through the input device is processed in the system unit. In other words, all kinds of computer work is done here. 4. Monitor: A monitor is an output device that looks like a television. It displays the processing results of the computer on the screen. The monitor is one of the many output devices. Monitors come in different technologies and different types.
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