Following Operating Systems (OS) are regarded to be of the same type:

• Windows 2008/2012/2016 - 32bits vs.  Windows 2008/2012/2016 - 32bits
• Windows 2008/2012/2016 - 64bits vs.  Windows 2008/2012/2016 - 64bits

Following Operating Systems (OS) are regarded to be of different type:

• Windows 2008/2012/2016 - 32bits vs.  Windows 2008/2012/2016 - 64bits
• Linux OS vs. Windows OS