V2EX time-sharing

Time-sharing

释义 Definition

时间共享;分时(技术):一种让多个用户或多个任务通过轮流占用同一台计算机/同一套资源来同时使用系统的方式。常见于操作系统与计算机服务(如早期大型机的分时系统)。在更广义语境中,也可指“分时使用某种资源/设施”的安排。

发音 Pronunciation (IPA)

/tam er/

例句 Examples

Time-sharing lets many users work on one computer at the same time.
分时技术让许多用户可以在同一台计算机上同时工作。

In the early days of computing, universities relied on time-sharing systems to provide affordable access to expensive mainframes.
在计算的早期阶段,大学依靠分时系统,让师生能以较低成本使用昂贵的大型机。

词源 Etymology

time(时间)+ sharing(共享) 构成。其核心含义是把处理器时间切成很短的“时间片”,在不同用户/任务之间快速切换,从而产生“好像同时运行”的效果。该词在 20 世纪中后期随着分时操作系统的普及而广泛使用。

相关词 Related Words

文学与名著用例 Literary Works

  • Frederick P. Brooks Jr., The Mythical Man-Month(讨论软件工程与大型系统背景下的计算资源与系统形态,常提及分时系统的时代语境)
  • Andrew S. Tanenbaum, Modern Operating Systems(讲解操作系统发展史与分时系统等关键概念)
  • Silberschatz, Galvin, Gagne, Operating System Concepts(在操作系统概念与历史脉络中介绍 time-sharing 与多道程序等)
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