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Is there a hardware that could be turn on with a computer so that it gives power to my printer for example via my computer. A great example of a hardware that does this is my external hard drive. It turns on when I go to start, my computer and click on it. I will like to be able to conect anything to that hardware so that if I conect my lights to that switch then I could turn on and of the lights with my computer. 
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Is there a hardware that could be turn on with a computer so that it gives power to my printer for example via my computer. A great example of a hardware that does this is my external hard drive. It turns on when I go to start, my computer and click on it. I will like to be able to conect anything to that hardware so that if I conect my lights to that switch then I could turn on and of the lights with my computer. 

Turn on a switch with a computer

Hardware includes cell phones and other digital living devices, tablets, computers, servers, peripherals and components, printers and scanners, gaming consoles, networking hardware such as routers, hubs, switches and modems, storage devices and security equipment such as firewalls and other appliances.