计算机系统的性能一般包括两个大的方面。一个方面是它的( ),也就是计算机系统能正常工作的时间,其指标可以是能够持续工作的时间长度,也可以是在一段时间内,能正常工作的时间所占的百分比;另一个方面是处理能力,这又可分为三类指标,第一类指标是吞吐率,第二类指标是响应时间,第三类指标是( ),即在给定时间区间中,各种部件被使用的时间与整个时间之比。
问题1选项
A.可用性
B.安全性
C.健壮性
D.可伸缩性
问题2选项
A.可靠性
B.资源利用率
C.系统负载
D.吞吐量
正确答案及解析
正确答案
解析
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