磁盘驱动调度算法中，可能会随时改变移动臂的运动方向的算法是()。
A. 电梯调度
B. 先来先服务
C. 循环扫描
D. 扫描
有如下请求磁盘服务的队列，要访问的磁道分别为98、183、37、122、14、124、65、67，当前磁头在53道上。若按最短寻道时间优先法，磁头的移动数（）
A. 234
B. 235
C. 236
D. 237
Which is the basic principle of international law?
A. Win-win principles
B. Zero-zero game
C. Self-defense
D.Peaceful dispute settlement
What are the consequences of violating the basic principles of international law?
A. States will bear certain international responsibilities
B.States will be judged by any foreign domestic courts
C. States will be expelled from international community
D. States will be deprived the rights of concluding any international treaties
微信支付 
支付宝支付