Fact 1: Electric devices require electrical energy to function.

Fact 2: Computers are electronic devices that deal in pulses of electricity.

Given the two facts above, answer the question "What requires electrical energy to function?" with the following options: 
- vehicles
 - A computer
 - A gas stove
 - A candle
 - Batteries
 - nervous system
 - critical organs
 - buses


 

  A computer       