Lion is due for general release in July 2011.
August 2012. The OS is called Mountain Lion.
Yes, you can upgrade to Lion from any iMac that uses the Intel processor. But the newest OS is Mountain Lion.
If you mean what OS it is OSx Mountain Lion. OSx is a Unix bases graphical interface.
They are coming out with a new OS (Operating System) which is called Mountain Lion and will be available sometime in July 2012.
the newest iMac is called just that iMac the software has got a new name however, on the version released in late 2009 Mac OS X 10.6, or as it has been named Snow Leopard
No. An iMac is a computer from Apple. Mac OS X is an Operating System for Mac computers. Every Mac comes with a copy of Mac OS X - pre installed.
the Mac Os X 10.000 will come out this summer/fall (about). it will be called Lion.
You can not legally run Mac OS on any computer not designed by apple.
An iMac G5 can only run Mac OS X 10.5 (Leopard) it cannot run 10.6 (Snow Leopard) or 10.7 (Lion). So the answer must be 'No'.
You can run Tiger, Leopard, and Snow Leopard. You cannot run Lion.
A new iMac will have Mac OS X 10.6 (known as Snow Leopard) installed. There have been a couple of updates to Snow Leopard and the current full number is 10.6.2. To check which version you have click on the Apple icon in the menu bar (left hand end), select About This Mac and check the Version number given. Select Software Update... from the Apple menu to see if any updates are available for your software.
Usually, a new iMac is released between 9 - 12 months after the last major release.