Is my Mac 64 bit or 32? Quick Guide to Find out - The Mac Observer
What is the Difference Between a 32-bit and 64-bit CPU?
Why we don't have 128-bit CPUs
What Does 64-Bit Mean In Relation To Your PC, Software & OS?
Is my CPU 32 bits or 64 bits? - Super User
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 -
x86 - Wikipedia
List of Intel processors - Wikipedia
32-Bit vs. 64-Bit OSes: What's the Difference? | PCMag
What Does 64-Bit Mean In Relation To Your PC, Software & OS?
Reports on 64-Bits Processor. INTRODUCTION | by Nirajan Acharya | Medium
Difference between 32-bit and 64-bit processors - javatpoint