I want to cut off automatically when the computer shuts down some equipment

I want to cut off automatically when the computer shuts down some equipment, such as automatic shutdown when the board cut off power lines inserted, such as cutting off power supply to the TV, how, what and need a computer to cut off the power supply devices What is the installation of equipment, I would like to thank

funny ..~ ~ your request is not possible, just possible to control the host computer's Settings, your request is the other peripherals, and can not do.I think you are the so-called automatic clearance own right