If you buy one today 7/2012 it will come with OSx Lion. Wait until late July 2012 and you will get OSX Mountain Lion.
Internet Explorer comes preinstalled with all Windows Operating Systems. To upgrade it, you would go to Windows Update. If you have a 64 bit Operating System, you can not install a 32 bit version.
Samsung Galaxy phones come with the Android operating system.
true
Linux.
It's free. It comes preinstalled with any Windows OS.
it all depends on if you have verison, optinum, etc.
Every laptop doesn't come preinstalled with Google Chrome. Windows laptops comes with Internet Explorer whereas Mac comes with Safari. Only laptops with Chrome OS called Chromebook have Google Chrome preinstalled.
It comes free with the operating system.
Mac OS
No system comes with it. Office applications and operating systems are separate kinds of software and come separately.
Windows operating system comes with Internet Explorer as part of the Operating System. It can be downloaded from Microsoft's websites. (see related link)
Mac Mail or simply Mail comes preinstalled. It is an excellent desktop email program.