The iMac G5 came out August 31, 2004 and was discontinued March 2006.
No
The G5 came with the OS 9 operating system and had a Power PC processor. It was the last edition of Mac OS. The iMac switched to the OSx operating system with the next iMac. There was an education only model G5 that did ship with OSx Panther.
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'.
CrossOver requires a Mac with an Intel Core Duo processor to replicate a Windows type computer. It will not work on a G5 iMac.
An "Intel-based iMac G5" would be an oxymoron. The "G5" part of it's name refers to having a PowerPC processor.
Although the G5 is out of date is still a decent computer.
Yes, it does.
The G5 does not have an Intel processor it has an IBM Power PC processor.
PowerPC version of Ubuntu.
Depends where you buy it. Apple doesn't make G5 iMac's anymore. Imac g5's on eBay range from $250 - $1000 On Craigslist They're usually $150 G5 iMacs are now essentially boat anchors. The system architecture and applications available to it are dated. You might be able to get one online and maybe use email and iTunes. Not much more.
Yes, the iMac is more then capable of playing Minecraft. It's the internet connection speed that will be the bottle neck when playing multiplayer.