Where was the iMac invented?
It came on the market in 1998.
The original iMac was the G3 which came out in (1998). It was followed by the G4 (2002), then the G5 (2004), then the Intel iMac plastic version (2006). The 5th iMac was the aluminum iMac which came out in (August 2007), followed by the iMac Aluminum Unibody (2009). The newest iMac is simply called 2012 iMac and it came out on November 30, 2012.
There has basically been two types of iMac computers. Both types were an all in one computer set up. The iMac G3 used a cathode ray tube for the monitor in 1998. The iMac G4 came out with a flat screen monitor that was an LCD monitor in 2002. Apple switch to Intel processors in 2006. There have been 31 editions of the iMac since it's invention.