Input Devices
Mouse
A mouse is an input device that lets you click on what you want to open on a pc. Without a mouse it would be impossible to open anything on a pc so it is a major piece of hardware for your pc.
Keyboard
A keyboard is an input device that lets you type without a keyborad you could not type at all. a keyborad is a vital piece of hardware to let you search or type anything.
Usb
A usb is a slot that you push some device into may that be a mouse or a keyborad or a memery pen. it is plug and play you plug in a usb memery pen and you can save your data and use some other place.
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