A little thought about personal computers

I have been thinking, what is a personal computer?
I think it should be a personal mobile data + data processor!
With more and more USB3.0 and above standard devices, UEFI, processor devices are becoming more and more miniaturized and cheaper, this goal is becoming more and more clear!
It is conceivable that in the near future, we will only need to bring our own small personal storage device and open it on any data processing device to process our own data. Furthermore, after dealing with the issues of security and transmission speed and distance, We can do it on the real cloud.
Now we can use mobile hard disk or U disk, it is best to use UEFI to install the operating system, or use WTG tools to migrate win10 system to mobile hard disk to make a semi-universal system. The reason for saying this is that the system There are still many problems with adaptability, but we are already moving a lot towards our goal.