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
The answer: C) Automatically switches to the correct input voltage as needed
An auto-switching power supply can be used on both 110 volt and 220 volt power systems, and can automatically switch between one and the other. This means that you can use the same power adapter in different countries by simply changing the plug type.
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Want to know more? Watch “Replacing a Desktop with a Laptop.”Many people are making the move from a desktop computer to a more portable laptop device, but there are a number of changes that come with such a dramatic change in size. In this video, you’ll learn about the aspects of a laptop computer that vary from their larger desktop cousins. |