1. strong, and after all, it is a big business brand, and its function should be trustworthy.
2. Regarding online games, it is recommended to use NVIDIA NVIDIA's graphics card, which is suitable for games. For example, my ATI graphics card is suitable for watching movies, but many games don't support it.
3. The problem of electricity is different for each model. I've seen IBM with my classmates last for five hours, while my current computer can only last for two hours.
4.IBM is equipped with its own wireless Internet tool (my computer is Intel R Pro/Wireless Network Connection) and the local connection and wireless connection that comes with windows. Centrino wireless network should just install a software, right?
IBM computer is very heavy in my mind, which may be inconvenient.
Personally, I don't like MAC because many programs are incompatible and may not be used to it. For example, it can't open exe and so on. Although Apple is very popular in the United States, it is still aristocratic to China people.
After reading the upstairs answer, voltage is not a problem, because every computer is equipped with a transformer, and that black box is used for charging. The input voltage of my IBM is 100-240V, and that of the United States is 1 10V.