What are these power supply specifications?


The power supply of your computer lists these specifications on the label:

Input:
100-120V ~ / 4.0A
220-240V ~ / 2.0A

What does this information mean?

A) The power supply can support both 100-120V DC and 220-240V DC power sources.

B) The power supply can support both 100-120V AC and 220-240V AC power sources.

C) The power supply uses 4 amps of power when using a 220-240V AC power source.

D) The power supply uses 2 amps of power when using a 110-120V DC power source.