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x86 - Wikipedia
Difference between x86, x32, and x64 architectures?
x86 assembly language - Wikipedia
X86-64 Architecture Guide | Computer Language Engineering
x86 Assembly/X86 Architecture - Wikibooks
x86 Definition - What is an x86 processor? - TechTerms.com
Timeline: A brief history of the x86 microprocessor
CPU architectures: What’s the difference between ARM and x86
x86 - Simple English Wikipedia, the free encyclopedia
What is x86? - XDA Developers