Does my CPU support 64-bit or 32-bit ?
When you update your Windows Operating System from Windows XP or completely install a new Windows 7, you have to choose an option of 64-bit or 32-bit system, this depends on your CPU, if your CPU supports 64-bit, you can choose either Windows 7 64-bit or 32-bit; if your CPU only supports 32-bit, then you can ONLY choose 32-bit other than 64-bit system.
Check Your Computer CPU, Motherboard, Graphics Devices…
Many years ago, When people was still using DOS, it was not convenient to know the computer information. so at that time there were many 3rd party tool to help people to check hardware information.
Intel Dual Core vs Intel Core 2 Duo
When you buy a computer with the label “Intel Inside” which means the computer's CPU is Intel CPU, Then maybe you were confused by "Pentium Dual Core" and “Core 2 Duo” .