多道程序设计和分时技术要求一个驻留的操作系统处理多个并发用户分享有限资源时所产生的冲突。
Multiprogramming and time-sharing require a resident operating systemtodeal with the conflicts that arise when multiple concurrent users share limited resources.
计算机的速度是如此之快，以致于使人类不能有效地做出实时的选择，在大多数多道程序设计系统中，处理器时间是由操作系统模块来管理的。
Computers are so fast that a human being cannot effectively make such real - time choices. On most multiprogramming system, the processor's time is managed by an operating system module.
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