![This is the back of a system unit. It shows all of the different ports used for the computer. | System, The unit, Output device This is the back of a system unit. It shows all of the different ports used for the computer. | System, The unit, Output device](https://i.pinimg.com/originals/7f/02/28/7f0228ea19cbfb0aee6b424461b2fb9f.jpg)
This is the back of a system unit. It shows all of the different ports used for the computer. | System, The unit, Output device
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![This is a close up the different ports of a computer. | Computer set, Elearning, Computer peripherals This is a close up the different ports of a computer. | Computer set, Elearning, Computer peripherals](https://i.pinimg.com/originals/1a/3f/10/1a3f104665409e8b8fd690d797468798.jpg)