An instruction set architecture (ISA) defines the set of basic operations a computer must support. This includes the functional definition of operations and precise descriptions of how to invoke and ...

In computer science, an instruction set architecture (ISA) is an abstract model of a computer. It’s also referred to as architecture or computer architecture. Moreover, a central processing unit (CPU) ...

Forward-looking: After being beaten by AMD in introducing the first, truly 64-bit instruction set in ... bring its computer processors into the future with a 64-bit mode-only architecture.