An Instruction Set Architecture (ISA) defines the software interface through which for example a central processor unit (CPU) is controlled. Unlike early computer systems which didn’t define … ...

As with the MMX™ instruction set, the instruction determines the data type. The Intel® 64 architecture was introduced primarily to expand the addressable memory space beyond the 32-bit limit, but it ...

RISC-V is, like x86 and ARM, an instruction set architecture (ISA). Unlike x86 and ARM, it is a free and open standard that anyone can use without getting locked into someone else's processor ...

Intel proposes the x86-S architecture for a simpler, more efficient CPU instruction set It's finally the end of the x86-compatible PC as we know it. By Alfonso Maruccia May 22, 2023, 7:37 16 comments ...