It will usually show some sort of message, telling you to install an os
yes, the PC will have more than one OS. in my PC i have 3 OS
The standard OS for a PC is Windows, and the latest version is Windows 7.
Technically OS X can run on a PC, and many hackers have created "cracked" versions of OS X that will run on a PC. The reason it does not is because Apple requires OS X to be run on "Apple Branded Hardware".
PC boot to ? A PC boots to its OS. The OS Can be installed in a pendrive or a cd but usually intalled in hard disk so that it creates no problem.
No. It is illegal to run Hackintosh (Apple OS on PC).
Os X is the operating drive on which a Mac and any apple device functions on. When there is an Os X on a PC it means that it is compatible with devices from apple.
I can't understand your question.
You can do just about anything on a PC with no OS however, you would have to write code for every single action that you want your computer to complete.
Windows
To comply with the legal agreement you agree to when installing Mac OS X the PC needs to have been made by Apple.
No, it was only released for the Iphone OS. There are plans to have a release on PC in the future.
There is no "Android PC" that exists that I know of. Android is an OS for Smartphones and Tablets