As far as the operating system, is is Apple OS X. The specific version varies depending on the user. The most recent version os 10.6.5 (Snow Leopard).
If you are wondering something more in depth, could you please be more specific with your question?
Yes, unless it is an "apple computer".
i did
The very same thing any computer is used for.
500
Myriad
Shut up. I hate cats.
Apple computers.
ipad
can tango be used on MacBook Pro
No, the Apple computer is a personal computer. The 2 main operating systems sold today are Microsoft Windows 8 and Apple OSx Mountain Lion.
The very same mouse skills used to operate any Windows or Apple computer.
Apple's Mac OS X can legally only be used on a computer made by Apple.