What is the Difference Between a 32-bit and 64-bit CPU?
32-Bit vs. 64-Bit: Understanding What These Options Really Mean | Digital Trends
Why are operating system sizes 32 bit and 64 bit? Who determines the bit size? Will the next size be 128 bits? Why we don't have sizes in between as well -
How to check Processor is 32 Bit or 64 Bit ? - YouTube
64bit Checker for Windows
CPU-Z shows Quad channel | TechPowerUp Forums
Schematic diagram for 64-bit Risc Processor | Download Scientific Diagram