n.多道程序
In a multiprogramming or multiprocessing environment, oneor more sequences of instructions treated by a control program as an element of work to be accomplished by a computer. 在多道程序或多進(jìn)程環(huán)境中，要由計(jì)算機(jī)來(lái)完成的基本工作元，它是由控制程序處理的一個(gè)或多個(gè)指令序列。
