Questions about: cpu-architecture

I got Virtual Box 4. 1. 12 with the corresponding extension pack installed on Linux Mint 13 Maya Xfce OS and installed Windows XP Home edition in it
People ask me on a daily basis, “What is the difference between a 32-bit and 64-bit Windows operating system?” Most of you are running Windows XP or Vista in its 32-bit iteration. But as hardware gets cheaper, people are curious as to what the 64-bit