If the computer has an x86 (Intel, AMD or VIA) processor and a traditional BIOS, yes.
A PC is a Personal Computer. A Mac is a personal computer. A Mac is a PC. A Mac with an Intel processor can run the Windows operating system (or Linux or many others) if needed.
The OS that change all the time is Linux, and most of what MS Windows supplies was first made on a Linux variant. Ubuntu is working on a new concept - Unify, is worth looking at.
All pcs can run Linux. Specifically, you can download and run Ubuntu, which is Linux based. Any PC can run Ubuntu and/or dual-boot Windows and Ubuntu.
Generally yes. Most Linux versions will work on a standard home PC, and many will work on one too old and slow to run Windows.
If you mean OS systems then that would be Microsoft's windows ( the PC my favorite) apple's Mac and Linux
A PC is a Personal Computer, doesn't matter what the operating system is necessarily. Could be Linux, Windows, etc. The only distinguishing factor is the Mac.
You can, absolutely. Linux's bootloader is, in fact, designed for multi-boot.
The OS that change all the time is Linux, and most of what MS Windows supplies was first made on a Linux variant. Ubuntu is working on a new concept - Unify, is worth looking at.
look in your users manual
There are two types of interface.. 1. User Interface 2. Application Interface
Currently, yes, it is just for Windows based PC's. However, you might be able to get it to run on Linux and/or MAC with a windows emulation software, although, that is not officially supported.
All Linux distros have about the same capabilities as far as applications go. The key to playing any Windows games on Linux is the installation of Wine. Wine is a library that allows most (though certainly not all) Windows programs to be run on Linux.