MIMD systems can be classified into (71)
题型：单项选择题
问题：
MIMD systems can be classified into (71) -oriented systems, high-availability systems and response-oriented systems. The goal of (71) . oriented 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) .
（72）处填（）。
A．at
B．of
C．on
D．to
