V2EX machine-code

Machine-code

定义 Definition

machine code(机器码):计算机处理器能直接执行的最底层指令形式,通常以二进制(0 和 1)表示;也可指与特定硬件体系结构紧密绑定的指令序列。(也常写作 machine code,不加连字符。)

发音 Pronunciation

/min kod/

例句 Examples

I don't understand machine-code.
我不懂机器码。

The compiler translates high-level code into machine-code that the CPU can execute directly.
编译器把高级语言代码翻译成 CPU 能直接执行的机器码。

词源 Etymology

machine(机器)+ code(代码/编码)的组合词,用来强调这种“代码”并非给人阅读,而是面向“机器”直接运行的指令形式。随着计算机发展,人们用它与更易读写的“高级语言(high-level language)”相对比。

相关词 Related Words

文学作品/著作中的用例 Literary Works

  • The Art of Computer Programming(Donald E. Knuth):讨论算法与底层实现时常提及 machine code。
  • Structure and Interpretation of Computer Programs(Abelson & Sussman):在讲解解释器/编译器与抽象层次时会对比 machine code 与高级语言。
  • Code: The Hidden Language of Computer Hardware and Software(Charles Petzold):介绍从硬件到软件的“编码”体系,涉及机器码概念。
  • Gdel, Escher, Bach: An Eternal Golden Braid(Douglas Hofstadter):在探讨形式系统与计算时会提到机器层面的代码与表示。
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