I’m feeling very indigo right now

Which of these are true of an auto-switching power adapter on a laptop?

A) The power adapter is only enabled when the laptop is switched on

B) It only charges the battery when the laptop is switched off

C) Automatically switches to the correct input voltage as needed

D) It switches the CPU to a higher speed when power is available

E) The laptop switches on automatically when power is available

F) Changes color depending on mood