A+ Pop Quiz: The exchange rate didn’t work for meYou are in the United States and have just received a used computer from Europe. Before starting the system, which of these should you do first? A) Check with the motherboard manufacturer for compatibility with US power B) Replace the power supply with one that includes a DC cable for US power C) Have an electrician install a European outlet in your lab D) Remove the ground prong from any existing power cables E) Verify that the power supply can support 120 volts F) I'm not sure this was the deal I was promised