题目内容：
根据下列题干，回答题：MIMD systems can be classified into（ 71 ）oriented systems,highavailability systems and responseoriented systems.The goal of（ 71 ）.orlented multiprocessing is to obtain high（ 71 ）（ 72 ）minimal computing cost.The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce（ 73 ）and（ 74 ）loading of system（ 75 ）.
请选择（ 71 ）处最佳答案
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