【判断题】Ordering resources and requiring the resources to be acquired in order prevents the circular wait from occurring and therefore prevents deadlock from occurring.
【判断题】The pointer sometimes changes to a circular pointer to indicate that the computer is busy and you must wait until Windows is ready to accept further commands.
【多选题】城市基础设施公私合营中的PPP模式主要有( )
【单选题】对本诗赏析有误的一项是
A.
这是一首五言律诗,作者是被称为“初唐四杰”之一的王勃。
B.
第一句点出了送别的地点,第二句则把读者的视线引向杜少府即将赴任之地。
D.
尾联紧承颈联而来,诗人劝慰杜少府,不要在临别之时像小儿女一般哭鼻子,抺眼 泪。
【判断题】The circular-wait condition for a deadlock implies the hold-and-wait condition.
【单选题】A deadlock avoidance algorithm dynamically examines the __________ to ensure that a circular wait condition can never exist.
A.
resource allocation state
【单选题】The circular wait condition can be prevented by ____________
A.
defining a linear ordering of resource types
【单选题】为了获得四、六级证书而学习英语属于( )动机。