题目内容：
根据下列题干，回答题：MIMD systems can be classified into throughout oriented systems, high（ 1 ） systems and re- sponse oriented systems. The goal of throughout oriented multiprocessing is to obtain high throughout（ 2 ） minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output （ 3 ） in the workload to produce balanced and （ 4 ） loading of system（ 5 ）.
请选择（ 1 ）处最佳答案
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