V2EX 32-bit

32-Bit

Definition / 释义

32-bit32位的;常指计算机系统中用于表示数据、地址或寄存器宽度为32位的架构或格式(例如32位操作系统、32位处理器、32位整数)。也可泛指某软件/文件以32位方式编译或存储。

Pronunciation / 发音

/θti tu bt/

Examples / 例句

This app only runs on 32-bit systems.
这个应用只能在32位系统上运行。

Although the program works on a 64-bit machine, it was compiled as a 32-bit executable for compatibility with older drivers.
虽然该程序能在64位机器上运行,但为了兼容旧驱动,它被编译成了32位可执行文件。

Etymology / 词源

bit 源自 binary digit(“二进制数字”) 的缩写,用来表示信息的最小单位;32-bit 则是“由32个比特构成”的意思。随着计算机硬件发展,人们用“X-bit”来描述处理器字长、寄存器宽度或内存寻址能力等关键特征,因此“32-bit”成为常见的架构与兼容性术语。

Related Words / 相关词

Literary Works / 文学与著作中的用例

  • The C Programming Language(Kernighan & Ritchie):讨论整数类型与机器字长时常涉及32位实现与数据模型。
  • Computer Organization and Design(Patterson & Hennessy):在讲解指令集、寄存器与寻址时频繁出现32位架构示例。
  • Code: The Hidden Language of Computer Hardware and Software(Charles Petzold):在说明二进制表示与计算机结构演进时会提到32位相关概念。
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