问题描述：
英语翻译
Ports are the places on the outside of the computer case where you plug in hardware.On the inside of the case,they are connected to expansion cards.The keyboard,mouse,monitor,and printer all plug into ports.There are also extra ports to plug in extra hardware like joysticks,gamepads,scanners,digital cameras and the like.The ports are controlled by their expansion cards which are plugged into the motherboard and are connected to other components by cables - long,flat bands that contain electrical wiring.
Ports are the places on the outside of the computer case where you plug in hardware.On the inside of the case,they are connected to expansion cards.The keyboard,mouse,monitor,and printer all plug into ports.There are also extra ports to plug in extra hardware like joysticks,gamepads,scanners,digital cameras and the like.The ports are controlled by their expansion cards which are plugged into the motherboard and are connected to other components by cables - long,flat bands that contain electrical wiring.
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