Originally posted by Silvercord
Well, yes, I guess I didn't make myself clear enough: what quality(s) allows them to share the same instruction set, i.e they all share the same architecture, they all have the same number of pins, the same bus width, etc.
EDIT: Why are they given the '..86' names? i.e 486, where does that come from. Also, I've got an Athlon processor, that means it uses the x86 instruction set, right? Someone told me that's what it uses, if that's true then the x86-64 instruction set isnt' the same as what my processor uses. Nuts.