details

A GPU can handle massive amounts of calculations and I know they are different from a CPU, but specifically how and why are CPUs and GPUs different? Why does a PC need both and why can't 1 do the work of the other? This is a question of pure curiosity.

I have a 500gb hard drive with win7 on it and a 1tb hard drive for storage. One day i decided to format and install win7 on the 1tb and use that as my main drive, now whenever i boot my pc i get an option between the two different Win7 installs. The thing is the 1tb doesnt work/boot without the...