单项选择题
假设一个磁盘有200个磁道,编号从0~199。当前磁头正在143道上服务,并且刚刚完成了125道的请求。如果寻道请求队列的顺序是86,147,91,177,94,150,102,175,130
为完成上述请求,采用最短寻道时间优先磁盘调度算法(SSTF)时磁头移动的总量是()。
A.565B.576C.162D.125
单项选择题 Which of the following about Waelbers is TRUE?()
单项选择题 The robot would stop in front of pets and people thanks to().
单项选择题 According to Steven Waelbers,the robot is designed to().
单项选择题 This article mainly talks about().
单项选择题 患者烦躁不安,为防止患者受伤应采取的保护措施是()。