Depends on your graphics card and your TV. What kind of TV do you have and what graphics card (or computer) do you have? There are several possibilities on how to do this, and different cables/conversion cables are needed depending on your setup,
Unless your equipment is ancient, (IE TV only accepts coaxial) then you can find a way to do it.
Unless your equipment is ancient, (IE TV only accepts coaxial) then you can find a way to do it.