TestOut LabSim A+ Certification Practice Exam

If traveling to a country with different electrical voltage, what should you do for your computer?

1. Use a universal power adapter.

2. Move the switch on the power supply to the correct voltage.

3. Purchase a new power supply.

4. Plug it directly into the wall without modifications.

The correct answer is: Move the switch on the power supply to the correct voltage.

In situations where you're traveling to a country that has different electrical voltage, adjusting your power supply to the appropriate voltage setting is crucial to ensure that your computer operates safely and effectively. Many modern computer power supplies are designed with dual voltage settings (typically 110V and 220V) and feature a switch that allows users to toggle between these settings. By moving the switch to the correct voltage prior to connecting your computer to the power source, you mitigate the risk of damaging the device due to voltage discrepancies, which could result in hardware failure or even a fire hazard. This approach is particularly effective because it is often included in the design of power supplies used in computers, making it a suitable and immediate solution. It is important to consult the power supply label or manufacturer's specifications to confirm the proper voltage setting for the country you are visiting. In contrast, while using a universal power adapter may help accommodate different plug types, it wouldn't resolve voltage issues if the adapter cannot handle the differing voltages. Purchasing a new power supply could be unnecessarily expensive and impractical when a simple adjustment can suffice. Plugging directly into the wall without changing the voltage setting would pose significant risks to your device and is inadvisable. Adjusting the voltage on the power supply remains the most