Why are there 2 versions of IE installed on W2K8 R2 Server? (one is 32-bit and one is 64-bit)

The 32-bit version of Internet Explorer can host only native 32-bit ActiveX controls and other 32-bit Web page objects. The 64-bit version of Internet Explorer can host only native 64-bit ActiveX controls and other 64-bit Web page objects. If you want to use the more memory space that will be in Gigabytes then you must use the 64-bit version because it process the data of more bits parallel and in some applications and plug-in 32 bit version is good while in some other, 64- bit works in a good manner http://www.virmansec.com/blogs/skhairuddin