x86-64

English

Proper noun

x86-64

  1. (computing) A superset of the x86 instruction set architecture, providing additional support for 64-bit addressing while remaining mostly backward compatible with older applications.
    Synonyms: AMD64, x64
    Hypernym: x86 (broad sense)
    Coordinate terms: x86-16, x86-32, i386, IA-32; x86 (narrow sense)
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